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Learning Goal: To be able to analyze the equilibrium of systems subjected to frictional forces at belts and surfaces. Part A When engineers design belt drives and band brakes, they engineer them to withstand the frictional forces that develop between the belts or bands and their contacting surfaces. These frictional forces lead to tensions on each side of the contacting surfaces that A cable is attached to a 2.30 kg block A, is looped over a fixed peg at C, and is attached to plate B.(Figure 1) The coefficient of static friction between the plate and the block is HA = 0.160, the coefficient of static friction between the plate and the inclined plane is UB = 0.350, and the coefficient of static friction between the cable and the peg is µc = 0.360. If the plane's angle is 30.0 degrees, what is the maximum mass that plate B can have such that it does not slide down the plane? Figure < 1 of 3 > Express your answer numerically in kilograms to three significant figures. • View Available Hint(s) IVO A£¢ n vec ? A HA mB = kg B Submit

Learning Goal: To be able to analyze the equilibrium of systems subjected to frictional forces at belts and surfaces. Part A When engineers design belt drives and band brakes, they engineer them to withstand the frictional forces that develop between the belts or bands and their contacting surfaces. These frictional forces lead to tensions on each side of the contacting surfaces that A cable is attached to a 2.30 kg block A, is looped over a fixed peg at C, and is attached to plate B.(Figure 1) The coefficient of static friction between the plate and the block is HA = 0.160, the coefficient of static friction between the plate and the inclined plane is UB = 0.350, and the coefficient of static friction between the cable and the peg is µc = 0.360. If the plane's angle is 30.0 degrees, what is the maximum mass that plate B can have such that it does not slide down the plane? Figure < 1 of 3 > Express your answer numerically in kilograms to three significant figures. • View Available Hint(s) IVO A£¢ n vec ? A HA mB = kg B Submit

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Learning Goal: To be able to analyze the equilibrium of systems subjected to frictional forces at belts and surfaces. Part A When engineers design belt drives and band brakes, they engineer them to withstand the frictional forces that develop between the belts or bands and their contacting surfaces. These frictional forces lead to tensions on each side of the contacting surfaces that A cable is attached to a 2.30 kg block A, is looped over a fixed peg at C, and is attached to plate B.(Figure 1) The coefficient of static friction between the plate and the block is HA = 0.160, the coefficient of static friction between the plate and the inclined plane is µB = 0.350, and the coefficient of static friction between the cable and the peg is µc = 0.360. If the plane's angle is 30.0 degrees, what is the maximum mass that plate B can have such that it does not slide down the plane? Figure 1 of 3 Express your answer numerically in kilograms to three significant figures. • View Available Hint(s) ΑΣΦ vec ? A mB = kg B Submit
Transcribed Image Text:Learning Goal: To be able to analyze the equilibrium of systems subjected to frictional forces at belts and surfaces. Part A When engineers design belt drives and band brakes, they engineer them to withstand the frictional forces that develop between the belts or bands and their contacting surfaces. These frictional forces lead to tensions on each side of the contacting surfaces that A cable is attached to a 2.30 kg block A, is looped over a fixed peg at C, and is attached to plate B.(Figure 1) The coefficient of static friction between the plate and the block is HA = 0.160, the coefficient of static friction between the plate and the inclined plane is µB = 0.350, and the coefficient of static friction between the cable and the peg is µc = 0.360. If the plane's angle is 30.0 degrees, what is the maximum mass that plate B can have such that it does not slide down the plane? Figure 1 of 3 Express your answer numerically in kilograms to three significant figures. • View Available Hint(s) ΑΣΦ vec ? A mB = kg B Submit
Blocks A and B have a masses of 190 kg and 220 kg , respectively.(Figure 2) The coefficient of static friction between A and B and between B and C is 0.260. The coefficient of static friction between the rope and peg E is 0.420. Pulley D rotates freely, and P = 30.0 N . If 0 = 30.0 degrees , what is the smallest magnitude, T, of tension, T, that causes block B to move? Express your answer numerically in kilonewtons to three significant figures. • View Available Hint(s) ΑΣΦ vec ? T = kN Submit Part C Block A has a mass of ma = 45.0 kg and rests on a flat surface. (Figure 3)The coefficient of static friction between the block and the surface is µ4 = 0.270. The coefficient of static friction between the rope and the fixed peg B is 0.310. The width of the block is d = 0.220 m . Find the greatest mass, mc, that weight C can have such that block A does not move.
Transcribed Image Text:Blocks A and B have a masses of 190 kg and 220 kg , respectively.(Figure 2) The coefficient of static friction between A and B and between B and C is 0.260. The coefficient of static friction between the rope and peg E is 0.420. Pulley D rotates freely, and P = 30.0 N . If 0 = 30.0 degrees , what is the smallest magnitude, T, of tension, T, that causes block B to move? Express your answer numerically in kilonewtons to three significant figures. • View Available Hint(s) ΑΣΦ vec ? T = kN Submit Part C Block A has a mass of ma = 45.0 kg and rests on a flat surface. (Figure 3)The coefficient of static friction between the block and the surface is µ4 = 0.270. The coefficient of static friction between the rope and the fixed peg B is 0.310. The width of the block is d = 0.220 m . Find the greatest mass, mc, that weight C can have such that block A does not move.
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