1. The cord shown below is wrapped around a protruding small cylinder on a larger cylinder. You may use the mass moment of inertia, Ic = 1/mR² where R = 3 ft, for the complete composite cylinder body. The composite cylinder body weighs 130 lbs. It slips on the surface when it is released from rest. Use the acceleration due to gravity, g = 32.2 ft/sec². Find the angular acceleration of the composite cylinder body when it is released from rest. 1 ft 12 3 ft Cord μ = 1/6 у Ľ 1. X Used with permission from "Engineering Mechanics: Dynamics," McGill/King, 4th Ed., 2003 a=0.450 rad/sec² counter-clockwise a = 4.65 rad/sec² counter-clockwise a=1.65 rad/sec² counter-clockwise None of the above

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Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.