Determine the rectangular and polar moments of inertia of the shaded area about the axes shown. Assume a = 14 in., b = 5 in., h = 10 in. y y = kvx h a Answers: Ix= i in.4 ly = i in 4 Iz = in.4

Q: 200 mm C 600 mm 200 mm

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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.