Question

Two masses m=6 kg and M=8 kg hang on either side of a pulley with Mp= 4 kg and radius 10 cm, as shown. (The moment of inertia of a solid disk is MR^2/2) Assume the system is initial at rest.

MP M

a.) What is the magnitude of the torque on the pulley?

b.) What is the angular acceleration of the pulley?

c.) What is the pulley's angular velocity after 2 s?

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Answer #1

M-T2Ma , -M mma Tm1ma Ta-T)Ia Ma I a -Ma-m-ma 2 P Mam-ma 2 P a MAmHp (8-6)4.9 1-220-245Nm x4x TtIa 2 1-25 d a -225 w(2) 2.25x

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