Answer to Question #252630 in Physics for Ayna

Question

shows a 1.5 kg block is hung by a light string which is wound around a
smooth pulley of radius 20 cm. The moment of inertia of the pulley is 2 kg m2
.
(i) Sketch the free body diagram of the 1.5 kg block.
(ii) When the mass is released from rest, calculate the angular velocity and number of
revolutions of the pulley at t = 4.2 s.

Answer 1

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