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The Atwood’s machine in the figure is released from rest and accelerates as shown. The pulley...

The Atwood’s machine in the figure is released from rest and accelerates as shown. The pulley has mass m3, and is a solid disk (I = 1 2MR2).

A.Draw the three free-body-diagrams for the three objects in the figure.

B.Choose coordinate systems so that the acceleration will be positive in each.

C. Write down the three Newton’s second law equations from the free-body-diagrams

D.Use the system of equations to solve for the acceleration in terms of g, m1, m2, and m3.

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Answer #1

Tmi + m2 + 13 - — (т», -т, ) = 1) а смъчи )=(а. - чл+ш )ь ba + bц + Белл - B(щ – чи) bus = (om+bu) - (kщ — Въм ) 6а 4 = (8щ

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