Question

If the position of axis of rotation of a body is changed,the. Which of the quantities will change..?

Answer 1

Moment of any physical quantity will be changed. ex. Moment of inertia ,moment of area etc.

Answer 2

The quantities which change when the position of axis of rotation of the body is changes are moment of inertia.

• Moment of inertia depends upon the mass of the body. It also depends upon axis of rotation of the body and shape and size of the body.
• Moment of inertia is directly proportional to the distance of the particles of the body from its axis of rotation.
• Hence, we can say that moment of inertia depends upon the axis of rotation.
• So, if the position of the axis of rotation is changed, the moment of inertia of the body will also change.
• Moment of inertia does not depend on force or density of the body.

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