Question

5. When does a body rotate? State one way to change the direction of rotation of a
body. Give a suitable example to explain your answer.​

Answer 1

To change rotation of an object the only thing required is force.

Spin a glass bottle on a table with your palm apply some force to one edge , you will observe that it's direction of rotation changes.

Answer 2

Answer:

A body rotates when some external force is applied to it. Therefore to change the direction of the direction of the body force needs to be applied to it

Example:Rotate a bottle. Then with the help of your palm stop the bottle.

Concusion:Force in the form of your palm is applied to the bottle so it stops