The blocks shown below are connected by cords passing over frictionless pulleys. The coefficients of friction between block A and the ground surface are u, = 0.30 and uz = 0.20 while that of block B and the ground surface are H, = 0.40 and µz = 0.30. Determine the direction of motion (to the left or to the right) of both blocks if it will occur, and compute the magnitude of the actual friction force in kN acting on each block. A 3 kN 3 B 3 2 kN

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The blocks shown below are connected by cords passing over frictionless pulleys.
The coefficients of friction between block A and the ground surface are µ̟ = 0.30
and u; = 0.20 while that of block B and the ground surface are µ̟ = 0.40 and u; =
0.30. Determine the direction of motion (to the left or to the right) of both
blocks if it will occur, and compute the magnitude of the actual friction force in
kN acting on each block.
A
3 kN
3
В
4
3
2 kN
Transcribed Image Text:The blocks shown below are connected by cords passing over frictionless pulleys. The coefficients of friction between block A and the ground surface are µ̟ = 0.30 and u; = 0.20 while that of block B and the ground surface are µ̟ = 0.40 and u; = 0.30. Determine the direction of motion (to the left or to the right) of both blocks if it will occur, and compute the magnitude of the actual friction force in kN acting on each block. A 3 kN 3 В 4 3 2 kN
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