B. 450
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Referring to the figure, block A and B have masses of 14 kg and 9 kg respectively. A horizental rope connects block B to the wall. If the coefficient of friction between block A and block B is 0.25 and between block A to the floor is 0.33 , determine the force P required to cause the motion of block A to impend, and determine the normal force force acting on block A (NA).
Transcribed Image Text:B.
450
Expert Solution
Step 1
Given:
The mass of block A is 14 kg.
The mass of block B is 9 kg.
The coefficient of friction between block A and block B is 0.25.
The coefficient of friction between block A to the floor is 0.33.
Step 2
Consider the free body diagram of the blocks.
Step 3
The formula to calculate the friction is,
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