Question

To rotate a body about an axis passing through it, ____________ is required.​

Answer 1

Answer:

torque ...

hope helped you out...

Answer 2

Answer:

Purely rotational motion occurs if every particle in the body moves in a circle about a single line. This line is called the axis of rotation. Then the radius vectors from the axis to all particles undergo the same angular displacement at the same time. The axis of rotation need not go through the body.