When a rigid body rotates about a fixed axis all the points in the body have the same linear displacement.

Question

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When a rigid body rotates about a fixed axis, different points in the body have different linear displacements, even though they all have the same angular displacement. This is because the linear displacement of a point depends on its distance from the axis of rotation, which varies for different points in the body.

When a Rigid Body Rotates About a Fixed Axis All