Moment of Inertia of a pulley

Physics
Tutor: None Selected Time limit: 1 Day

A 16 lb block rests on a horizontal frictionless surface. A cord attached to the block, running horizontally, passes over a pulley whose diameter is 3 in, to a hanging block weighing 16 lb. The system is released from rest, and the blocks are observed to move 1.8 ft in 4 s. What is the moment of inertia of the pulley (in slug-feet^2)?

May 3rd, 2015

I = 1/2MpR^2

   1/2 16 * (3/2)^2 = 18  


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May 3rd, 2015

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