tem 2 2 of 4 PartG Constants For the same special case mmmwhat is the accelerati

Question

tem 2 2 of 4 PartG Constants For the same special case mmmwhat is the acceleration of the block of mass m Figure 1) shows an Alwood machine that consisls of two blocks (of masses m and ma) Sed together with a massless rope that passes over a fxed, perect massless and frictonless) puley In is problem yout nvesigate some special cases where physical variables describing the Alwood machine take on limiting values Ofhen, examining special cases will simpliy a problem, so hat the solution may be found from inspection or from the resuits of a problem you've aready seer Figure 1 of Part H Finaly suppose m1-+oo, whle m remains finite What value does the the magnitude of the tension approach? View Available Hints) Submit

Explanation / Answer

Apply Newton's 2nd law,

m1 a = T - m1g , ........(1)

m2 a = m2 g - T ........(2)

From equation (1) and (2), a = [(m2 - m1) g] (m1 + m2)

Part G) m1 = m2 = m, so, a = 0

Parr H) a = [(m2 - 0)g] / m2 = g

F_net = T - m2 g

m2 a = T - m2g

m2 g = T - m2g

T = 2 * m2 * g

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