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a) Two blocks, masses m, and m, are pulled as shown. The coefficient of friction between the blocks is u, and the coefficient of friction between the lower block and the floor is u,. The pulling force of magnitude P, is such that they are moving with constant velocity. The angle 0 is known and is the same in all parts of this problem. Draw the free body diagram for both blocks. Find the magnitude of the pulling force P1. PI m, m, Answer: P = b) The magnitude of the pulling force is increased so that the blocks accelerate. Draw the free body diagram for both blocks. Find the maximum acceleration before the top block starts slipping.

a) Two blocks, masses m, and m, are pulled as shown. The coefficient of friction between the blocks is u, and the coefficient of friction between the lower block and the floor is u,. The pulling force of magnitude P, is such that they are moving with constant velocity. The angle 0 is known and is the same in all parts of this problem. Draw the free body diagram for both blocks. Find the magnitude of the pulling force P1. PI m, m, Answer: P = b) The magnitude of the pulling force is increased so that the blocks accelerate. Draw the free body diagram for both blocks. Find the maximum acceleration before the top block starts slipping.

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a) Two blocks, masses m, and m, are pulled as shown. The coefficient of friction between the blocks is u, and the coefficient of friction between the lower block and the floor is u,. The pulling force of magnitude P, is such that they are moving with constant velocity. The angle 0 is known and is the same in all parts of this problem. Draw the free body diagram for both blocks. Find the magnitude of the pulling force P1. PI m, m, Answer: P = b) The magnitude of the pulling force is increased so that the blocks accelerate. Draw the free body diagram for both blocks. Find the maximum acceleration before the top block starts slipping.
Transcribed Image Text:a) Two blocks, masses m, and m, are pulled as shown. The coefficient of friction between the blocks is u, and the coefficient of friction between the lower block and the floor is u,. The pulling force of magnitude P, is such that they are moving with constant velocity. The angle 0 is known and is the same in all parts of this problem. Draw the free body diagram for both blocks. Find the magnitude of the pulling force P1. PI m, m, Answer: P = b) The magnitude of the pulling force is increased so that the blocks accelerate. Draw the free body diagram for both blocks. Find the maximum acceleration before the top block starts slipping.
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