2. A rectangular prism (brick) has dimensions a (in x) b (in y) and c (in z) directions. Taking the origin at the center determine the mass moment of inertia about the y axis in terms of total mass m.

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A: Solution:

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Q: X1 X3 012-1 013-0 011=3 033=3 23=-1 022=2 Х2

A:

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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.