What are conservative forces ?

State and explain work energy theoram for conservative forces.

A spherical water balloon is revolving at 60rpm . In the course of time, 48.8% of its water leaks out. With what frequency will the remaining balloon revolve now? Neglect all non-conservative forces.

What are cohesive forces?

Assertion: Frection is a conservative force. Reason: Fraction does not depend upon mass of the body.

What are centripital force

What are adhesive forces?

Answer the following question : What are balanced forces ?

What is a force ?