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As part a of the drawing shows, two blocks are connected by a rope that passes o

ID: 2209757 • Letter: A

Question

As part a of the drawing shows, two blocks are connected by a rope that passes over a set of pulleys. One block has a weight of = 312 N, and the other has a weight of m2 = 808 N. The rope and the pulleys are massless and there is no friction. What is the acceleration of the lighter block? m/s2 Suppose that the heavier block is removed, and a downward force of 808 N is provided by someone pulling on the rope, as part b of the drawing shows. Find the acceleration of the remaining block. m/s2 Explain why the answers in (a) and (b) are different.

Explanation / Answer

W2 - T = W2/g * a, T - W1 = W1/g * a, from here get a,,, for part b) W2 = T, T - W1 = W1/g * a

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