The ethical dilemma is whether to comply with the CEO's request to dump the waste in the river or not.
What is the ethical dilemma?a) The engineer should not comply with the CEO's request as it is illegal and goes against ethical and professional standards.
The engineer has a responsibility to protect the environment and public health and safety, and dumping hazardous waste into a river is not an acceptable solution.
b) The unethical issues involved include violating environmental regulations, risking public health and safety, and causing harm to aquatic life and ecosystems.
The CEO is also asking the engineer to engage in illegal and unethical behavior, which can damage the engineer's reputation and professional standing.
c) Disposing of hazardous chemicals in a river can have severe consequences, including contaminating the water supply, killing aquatic life, and polluting the surrounding environment.
The chemicals can also travel downstream and affect other communities and ecosystems. Additionally, if caught, the company can face legal action, fines, and reputational damage.
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1. The amount of friction developed between two
moving parts depends on all of the following factors,
except:
(A) the type of material.
(B) surface finish.
(C) pressure between moving parts.
(D) color pigment found in the parts.
The amount of friction developed between two moving parts depends on all of the following factors, except the color pigment found in the parts.
What is friction?
The force that stops solid surfaces, fluid layers, and material elements from sliding against one another is known as friction. There are various kinds of friction: Dry friction is the force that opposes the relative lateral motion of two in touch solid surfaces. Dry friction is classified as static friction between stationary surfaces and kinetic friction between moving surfaces. Dry friction, with the exception of atom or molecular friction, is caused by the interaction of surface characteristics known as asperities. Fluid friction is the friction that occurs between moving layers of a viscous fluid.
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both a gage and a manometer are attached to a gas tank to measure its pressure. if the reading on the pressure gage is 80 kpa, determine the distance between the two fluid levels of the manometer if the fluid is (a) mercury (rho
The distance between the two fluid levels of the manometer, when using mercury as the fluid, is approximately 0.59 meters.
To determine the distance between the two fluid levels in the manometer, we need to consider the pressure difference between the gas tank and the atmosphere. If the reading on the pressure gauge is 80 kPa, we can assume that the pressure inside the gas tank is also 80 kPa.
In a manometer, the pressure difference between the two fluid levels is equal to the difference in height of the fluid columns. The fluid used in this case is mercury. To calculate the distance, we need to know the density (rho) of mercury. The density of mercury is approximately 13,600 kg/m^3.
Using the formula P = ρgh, where P is the pressure difference, ρ is the density, g is the acceleration due to gravity, and h is the height difference:
80 kPa = (13,600 kg/m^3) * (9.8 m/s^2) * h
Simplifying the equation, we find:
h = (80,000 N/m^2) / (13,600 kg/m^3 * 9.8 m/s^2)
Calculating the result, we get:
h ≈ 0.59 meters
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1. calculate the actual and theoretical speed ratio for the assembled drive. 2. what are the key reasons behind variation in the observed and experimental speed ratio values? 3. what is the torque generated on both driver and driven side? 4. what is the input and output hp. type of sprockets and chain? 5. what will be the chain length?
To calculate the theoretical speed ratio, divide the number of teeth on the driven sprocket by the number of teeth on the driver sprocket.
For experimental speed ratio, measure the actual speed of the driver and driven sprockets, then divide the driven sprocket speed by the driver sprocket speed.2. Variations in the observed and experimental speed ratio values may be due to factors such as friction, manufacturing tolerances, misalignment of sprockets, chain wear, or elastic deformation in the system.3. To calculate torque on the driver and driven sides, you'll need to know the force applied to the system and the distance from the center of the sprockets to the point of force application. Torque = Force × Distance. The torque on the driven side is generally equal to the torque on the driver side, minus any losses due to friction and inefficiencies.4. To determine input and output horsepower, use the following equation: HP = (Torque × RPM) / 5252. You'll need to measure the torque and RPM on both the input (driver) and output (driven) sides of the system. For the type of sprockets and chain used, refer to the manufacturer's specifications or examine the components.5. To calculate the chain length, use the following formula: Chain Length = (Number of teeth on driver sprocket + Number of teeth on driven sprocket) / 2 + (Center distance between sprockets × 2). This will give you the chain length in terms of the number of chain pitches. Multiply this number by the pitch of the chain to get the actual chain length.
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Construction engineering differs from other types of civil engineering because it focuses on supervising the creation of the building as well as design.
O A True
O B.False
Answer:
A. True
Construction engineering focuses on managing the construction process of buildings and infrastructure projects, which involves supervising the creation of the building as well as the design. Construction engineers oversee the construction site, coordinate with different stakeholders, manage the budget, and ensure that the project is completed on time, on budget, and according to the specifications.
A quiz contains 10 questions. There are four possible answers for each question.In how many ways can a student answer the questions on the test if the student can leave answers blank?
Answer:
Simple In one way. That is if he left it blank
Technician A says that an electronic suspension can use a driver input such as soft, normal, hard. Technician B says that most electronically controlled suspension systems use a separate electronic control module. Which technician is correct
Technician A is correct. An electronic suspension system can indeed utilize driver inputs such as soft, normal, and hard modes.
These modes allow the driver to adjust the characteristics of the suspension system to suit their preferences or the driving conditions.
Electronic suspensions employ various sensors and actuators to continuously monitor and control the suspension behavior in real-time.
The driver inputs, such as soft, normal, or hard modes, are typically selected through a control interface, such as a button or a switch in the cabin.
These inputs send signals to the electronic control module (ECM) responsible for managing the suspension system.
Technician B's statement is also accurate. Most electronically controlled suspension systems do use a separate ECM to process the input signals and adjust the suspension parameters accordingly.
The ECM receives input from various sensors, such as accelerometers, height sensors, and wheel speed sensors, to monitor the vehicle's dynamics and road conditions.
Based on the driver's input and the sensor data, the ECM controls the actuators within the suspension system to modulate factors like damping rates, ride height, and stiffness.
This enables the suspension system to adapt to different road conditions and driving scenarios, providing improved comfort, handling, and stability.
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How many grains are on the surface of the head of a pin? assume that the head of a pin is spherical with a 1-mm diameter and has an astm grain size of 10
Answer:
Given, diameter of pin head d = 1 mm = 1/25.4 = 0.0394 in Surface area of a pinhead, A = 4pr^2 =
Explanation:
eesh
Calculate density, specific weight and weight of one litter of petrol having specific gravity 0.7
Explanation:
mass=19kg
density=800kg/m³
volume=?
as we know that
density=mass/volume
density×volume=mass
volume=mass/density
putting the values
volume=19kg/800kg/m³
so volume=0.02375≈0.02m³
draw the fbd that is required to determine the internal forces at point j. (you must provide an answer before moving on to the next part.) the fbd that is required to determine the internal forces at point j is
The FBD (Free Body Diagram) that is required to determine the internal forces at point J should include all external forces acting on the system and any reactions or forces present at point J.
This FBD will allow for the determination of the internal forces, such as shear forces and bending moments, at point J.
To determine the internal forces at point J, you need to draw a Free Body Diagram (FBD). In this FBD, you should include all the external forces acting on the object at point J, such as gravitational force, tension, friction, and any applied forces. Once you have drawn the FBD, you can use equilibrium equations (sum of forces in horizontal and vertical directions equals zero) to solve for the unknown internal forces. After finding the internal forces at point J, you can move on to the next part of your problem. Forces are physical quantities that describe the interactions between objects or systems. They can cause a change in motion or deformation in an object. Some common types of forces include gravitational force, electromagnetic force, frictional force, and normal force. Forces can be described by their magnitude, direction, and point of application. Newton's laws of motion provide a framework for understanding the behavior of objects under the influence of forces. Understanding forces is essential in many fields, including physics, engineering, and biomechanics, as it allows for the prediction and control of the behavior of systems under different conditions.
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the va shear stress represents the maximum shear stress found anywhere in the structure. (you must provide an answer before moving to the next part.) group startstrue or false
The given statement "the va shear stress represents the maximum shear stress found anywhere in the structure" is false. The term "va" has no relevance to shear stress and therefore the statement cannot be true.
Let's further understand what shear stress is and how it is represented in a structure.Shear stress is the force that acts in parallel to a surface in opposite directions. It is also called tangential stress. Shear stress comes into play when two forces act parallel to each other but in opposite directions on an object. The formula to calculate shear stress is given as:T = F/AWhere T is shear stress, F is the applied force, and A is the cross-sectional area of the object.
The unit of shear stress is Pascal (Pa) in the SI system and psi (pound per square inch) in the Imperial system.However, the maximum shear stress found anywhere in the structure is represented by the symbol τ_max (tau-max). It is important to note that τ_max is not represented by the term "va" but by the symbol τ_max itself. Therefore, the given statement "the va shear stress represents the maximum shear stress found anywhere in the structure" is false.
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Answer the following questions (taken from NIEE Case Study). A. On Fred’s first day, Wally says "We’re fast at Phaust. " How might engineering decisions be affected by a corporate culture that emphasizes speed? b. Wally tells Fred he has one rule: whether news is good or bad, Fred must always tell Wally first. I. What is the potential impact of Wally’s "One Rule"? ii. How should Fred respond? c. Chuck alludes to inflating the budget as a hedge against potential budget cuts: i. What is the difference between inflating a budget and providing contingency funds as a line item? Spring 2020 d. At SuisseChem, personnel in operations work with engineering personnel in designing chemical plants, but at Phaust, operations and engineering are clearly separate. What are the implications of separating engineering from operations? e. Was Wally justified in confronting Fred about the environmental meeting? What were his motives? f. Did Fred act responsibly in both: I: lining the evaporation ponds 2: specifying cheaper controls? g. Although the chemical process was supposed to be automated, Fred allowed Manuel to volunteer to control the process manually. Is this reasonable? h. How should a company, such as Phaust, encourage honorable behavior and minimize ethical problems in the future?
Respond to the questions from the NIEE case study:
A. This can result in mistakes, accidents, and other negative outcomes.B. Fred should respond by expressing his concerns about the potential impact of this rule and suggesting alternative ways to ensure that important information is communicated effectively within the company.C. Providing contingency funds, on the other hand, involves setting aside a specific amount of money to cover unforeseen expenses that may arise during the project.D. This can result in inefficiencies and a lack of understanding of the overall goals and needs of the company.E. Specifying cheaper controls may have been irresponsible if it resulted in a lower level of safety or environmental protection.Full explanation about NIEEA. A corporate culture that emphasizes speed may lead to engineering decisions being made hastily without thorough consideration of potential risks or consequences. This can result in mistakes, accidents, and other negative outcomes.
B. Wally's "One Rule" may lead to a lack of transparency and accountability within the company. It may also discourage employees from sharing important information with others who may need to know. ii. Fred should respond by expressing his concerns about the potential impact of this rule and suggesting alternative ways to ensure that important information is communicated effectively within the company.
C. Inflating a budget involves intentionally increasing the estimated cost of a project in order to secure more funding than is actually needed. Providing contingency funds, on the other hand, involves setting aside a specific amount of money to cover unforeseen expenses that may arise during the project.
D. Separating engineering from operations can lead to a lack of communication and collaboration between these two departments. This can result in inefficiencies and a lack of understanding of the overall goals and needs of the company.
E. Wally may have been justified in confronting Fred about the environmental meeting if he felt that Fred was not being transparent about his actions. However, his motives may have been self-serving if he was more concerned about protecting his own reputation than about addressing potential environmental concerns.
F. Fred acted responsibly in lining the evaporation ponds in order to prevent contamination of the surrounding environment. However, specifying cheaper controls may have been irresponsible if it resulted in a lower level of safety or environmental protection.
G. Allowing Manuel to control the process manually may not have been reasonable if it put him or others at risk or if it resulted in a lower level of quality or efficiency.
H. A company like Phaust can encourage honorable behavior and minimize ethical problems by creating a strong code of ethics, providing regular training on ethical issues, and promoting a culture of transparency and accountability.
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Magnetic particle testing can be done only on metals that can be magnetized.
True or false
1)A wheel is used to turn a valve stem on a water valve. If the wheel radius is 1 foot and the stem, (axle), radius is .5 inches, what is the mechanical advantage of the wheel and axle? 2)How much resistance force can ideally be overcome when an effort of 80 lbs is applied to the wheel of the water valve in problem 1? 3)What is the linear distance traveled when a 2.5' diameter wheel makes one revolution? 4)A compressor motor has a 1.00 inch output shaft (axle) that drives a 4.00inch pulley (wheel). If the motor output shaft supplies 24 lbs of force, ideally how much force does the pulley apply to the drive belt wrapped around it? 5) If the belt pulley's force is measured to be 4 lbs, what is the AMA wheel and axle here?6) What is the efficiency of the compressor motor – belt pulley wheel and axle?
Answer:
for 13
Explanation:
''.''
3. What is the function of valve springs in a cylinder head?
A. Close valves
B. Open valves
C. Prevent oil from entering the combustion chamber
D. Hold the valves in place
A car is driven over a curb twice—once very slowly and once quite rapidly. What would you need to know about the car in the second case that you did not need to know in the first case if you were required to find the tire force that resulted from going over the curb?
Answer:
You'd need to know things like the weight of the car, the spring constant of the suspension springs.
Explanation:
Driving over the curb slowly does not have much of an "impact" because of the small potential energy it has but to find the force that results from going over the curb at a much higher speed, you would need to know the weight of the car since it directly impact the force that it applies. You also would need to know about the car's suspension, the spring material, how stiff the springs are and their spring constant to calculate the force they absorb.
I hope this answer helps.
In how many ways 2450 can be written as a product of 2 factors?
Select one:
O a. 9
O b. 6
C. 18
O d. 10
Answer:
search up factors of 2450 and divide by two
The number of ways 2450 can be written as a product of 2 factors is 9 ways
How to find factors of numbers?Factors of 2,450 = 1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450
2450 has 18 factors.The number of ways 2450 can be written as a product of 2 factors = number of factors / 2
= 18/2
= 9 wats
This means, taking the product of two factors such as;
1 × 2450
2 × 1225
5 × 490
7 × 350
10 × 245
14 × 175
25 × 98
35 × 70
50 × 98
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Faster air movement over an airfoil creates a _________ pressure field, which in turn allows lift.
a
Higher
b
Lower
Hai
Your answer will be A.
If you lower the Air Pressure your Object will Float Down ward. The Air Pressure allows it to Fly.
The pressure field created by faster air movement over an airfoil is; A: higher
What is pressure field?When the air hits the front of the wing, the air will flow in a steeper curve upward, than the bottom wing flow which will lead to the creation of a vacuum on top of the wing that pulls more air towards the top of the wing.
Finally, this air above does the same thing but it will move faster as a result of the vacuum pulling it in, and as such the vacuum now lifts the wing. Thus, Faster air movement over an airfoil creates a higher pressure field.
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Which state did NOT have people that got sick from the
Salmonella outbreak involving the Cashew Brie
O California
New Jersey
Tennessee
O Florida
hard hats should be made of fiberglass or ____.
Hard hats should be made of fiberglass or plastic.
What materials are suitable for making hard hats?Hard hats are an essential safety gear designed to protect the head from potential hazards in various industries and construction sites. They should be made of sturdy and durable materials to provide adequate protection. Fiberglass and plastic are two common materials used in the construction of hard hats.
Fiberglass is a lightweight and strong material known for its excellent impact resistance. It offers protection against falling objects, electrical shocks, and accidental bumps or knocks. Fiberglass hard hats are also resistant to heat, chemicals, and UV radiation, making them suitable for a wide range of work environments.
Plastic is another popular choice for hard hat construction due to its durability and affordability. High-density polyethylene (HDPE) is commonly used to create hard hats. Plastic hard hats are lightweight, comfortable to wear for extended periods, and provide reliable protection against falling objects and impacts.
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Which of the following statements correctly declare and initialize an array? (check all that apply) int[] numbers = new char(15); char letters - new char[26]; char[26] letters = new chari: char[] letters = new char[]{'a', 'b', 'd'); int[] numbers = {1, 2, 3, 4); Consider the following array.
Among the given statements options, the correctly declare and initialize an array are:
char[] letters = new char[26];char[] letters = new char[]{'a', 'b', 'd'};int[] numbers = {1, 2, 3, 4};What is the array?An array is a way to hold a set number of items with the same characteristics as a single unit in a data structure. It offers a means to consolidate numerous values with identical data types into a solitary variable designation.
To retrieve a specific element from an array, its position within the array needs to be indicated through a non-negative integer known as the index.
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See text below
Consider the following array. float scores - new float(5):
where on a pallet should you ensure its scale weight is clearly marked?
Answer: on two sides (one on either 88-inch side and one on either 108-inch side)
Explanation: Ensure the scaled weight is clearly marked on two sides (one on either 88-inch side and one on either 108-inch side) of the 463L pallet. Pallet weight markings (Figure D-7) may be stapled to the net.
The scale weight of a pallet should be clearly marked on the side of the pallet. A pallet is a flat transport structure that is designed to support goods while they are being lifted by a forklift, pallet jack, or other jacking device.
The goods are usually placed on top of a pallet and secured with strapping, stretch wrap, or shrink wrap to keep them from falling during transportation. The scale weight of a pallet should be clearly marked on the side of the pallet. The purpose of marking the weight is to avoid overweighting the pallet, which can result in serious injury to workers or damage to the goods. The scale weight of a pallet should be clearly marked on the side of the pallet, to avoid overweighting the pallet, which can result in serious injury to workers or damage to the goods.
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What is the mode of operation of a ramp digital voltimeter
Answer:
The operating principle of a ramp type digital voltmeter is to measure the time that a linear ramp voltage takes to change from level of input voltage to zero voltage (or vice versa).
A long corridor has a single light bulb and two doors with light switch at each door.
Design logic circuit for the light; assume that the light is off when both switches are
in the same position.
Answer:
Light = A xor B
Explanation:
If switches A and B produce True or False, then Light will be True for ...
Light = A xor B
Consider a homogeneous spherical piece of radioactive material of radius ro = 0.04 m that is generating heat at a constant rate of ėgen = 5 x 107 w/m3 . the heat generated is dissipated to the environment steadily. the outer surface of the sphere is maintained at a uniform temperature of 110°c and the thermal conductivity of the sphere is k = 15 w/m·k. assuming steady one-dimensional heat transfer, (a) express the differential equation and the boundary conditions for heat conduction through the sphere, (b) obtain a relation for the variation of temperature in the sphere by solving the differential equation, and (c) determine the temperature at the center of the sphere.
Answer:
Please report my answer
Explanation:
I want my account deleted
A site is underlain by a soil that has a unit weight of 118 lb/ft3. From laboratory shear strength tests that closely simulated the field conditions, the total stress parameters were measured to be C total = 250 lb/ft2 and φ total = 29°. Estimate the shear strength on a horizontal plane at a depth of 12 ft below the ground surface at this site in lbs/ sq ft
Answer: the shear strength at a depth of 12 ft is 1034.9015 lb/ft²
Explanation:
Given that;
Weight of soil r = 118 lb/ft³
stress parameter C = 250 lb/ft²
φ total = 29°
depth Z = 12 ft
The shear strength on a horizontal plane at a depth of 12ft
ζ = C + δtanφ
where δ = normal stress
normal stress δ = r × z = 118 × 12 = 1416
so
ζ = C + δtanφ
ζ = 250 + 1416(tan29°)
ζ = 250 + 1416(tan29°)
ζ = 250 + 784.9016
ζ = 1034.9015 lb/ft²
Therefore the shear strength at a depth of 12 ft is 1034.9015 lb/ft²
the data string for a standard transaction may be compared to
The data string for a standard transaction can be compared to a sequence of information or instructions that are processed in a specific order to complete a transaction.
Just like a data string, a standard transaction consists of various elements or fields that convey specific information related to the transaction. These fields could include details such as transaction ID, date and time, customer information, product or service information, payment details, and any other relevant data required to complete the transaction.
The comparison highlights the structured nature of both the data string and the standard transaction, where each element plays a crucial role in ensuring the accuracy and completeness of the transaction process.
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In this lab, we assumed that the flip-flops did not contribute to the timing constraints of the circuit. Unfortunately, this is not the case. As you saw when you simulated the D flip-flop, the sampling action does not happen instantaneously. In fact, a flip-flop will become unstable if the inputs do not remain stable for a certain amount of time prior to the rising-edge event (setup time) and a certain amount of time after the rising-edge event (hold time). Assume a setup and hold time of 2ns and 1ns, respectively. What would the theoretical maximum clock rate for the synchronous adder be in this scenario
If Alice wants to send Bob some Bitcoin, what information mast Bob first give to Alice?
A Transaction fees
B. Public key
C. Private key
D. Pablic and private keys, called a key pair
The information which Bob must given to Alice is B. Public Key.
Why is this?Bob must give Alice his public key so that Alice can send the Bitcoin to Bob's public key address, which serves as the destination for the transaction.
The private key is kept secret and is used to access the Bitcoin stored at the corresponding public key address. The transaction fee is paid to the network to process the transaction and is separate from the amount being sent.
Therefore, the correct answer is B. Public key.
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a pretimed four-timing-stage signal has critical lane group flow rates for the first three timing stages of 200, 187, and 210 veh/h (saturation flow rates are 1800 veh/h/ln for all timing stages). the lost time is known to be 4 seconds for each timing stage. if the cycle length is 60 seconds, what is the estimated effective green time of the fourth timing stage?
A pre-timed four-timing-stage signal has critical lane group flow rates for the first three timing stages of 200, 187, and 210 veh/h (saturation flow rates are 1800 veh/h/ln for all timing stages). The lost time is known to be 4 seconds for each timing stage. If the cycle length is 60 seconds,
In the given problem, it is known that the lost time for each timing stage is 4 seconds and that the cycle length is 60 seconds. The total time lost in the three timing stages is therefore\(3 × 4 = 12\)seconds.
The sum of the critical flow rates for the first three timing stages is \(200 + 187 + 210 = 597 veh/h\).The saturation flow rate for each timing stage is \(1800 veh/h/ln\).
There are 4 lanes, therefore, the saturation flow rate for 4 lanes will be \(4 x 1800 = 7200 veh/h\). Saturation flow rate - critical flow rate = unused time = \(7200 - 597 = 6603 veh/h\)
Now we must divide the unused time by 60 seconds to get the estimated effective green time.
\(6603 / 60 = 110.05 veh/s\)
Since\(110.05 veh/s\) is equivalent to \(6603 veh/min\)and the estimated effective green time is in minutes, we must divide by \(60.6603 / 60 = 110.05 veh/s\)
Therefore, the estimated effective green time of the fourth timing stage is approximately 110 seconds.
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draw an example of a truss that has at least one zero-force member. explain how it is known that the member is a zero-force member
A truss is a structural system composed of interconnected triangular units that work together to resist external loads. The triangular shape of the truss provides a stable and rigid framework that can support heavy loads. In many trusses, some of the members do not carry any loads.
These members are called zero-force members.To draw an example of a truss that has at least one zero-force member, let us consider a simple truss with three members. The truss is supported at its ends, and a load is applied at the center of the top member. The truss has two diagonal members and one horizontal member. The diagonal members are inclined at an angle of 45 degrees, while the horizontal member is perpendicular to the vertical direction.In this truss, the horizontal member is a zero-force member because it is not carrying any load. The load applied at the center of the top member is balanced by the inclined members, which are in tension. The horizontal member, being perpendicular to the direction of the load, does not contribute to the load-bearing capacity of the truss.It is known that a member is a zero-force member when it is not part of any load path. In other words, if removing a member does not affect the load-carrying capacity of the truss, then that member is a zero-force member. In the example truss we considered, removing the horizontal member does not affect the load-carrying capacity of the truss, as the inclined members can still balance the load. Therefore, the horizontal member is a zero-force member.
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