Subject: Physics (chapter 4) Class: 9th Total Marks: 10
1) What is
the difference between a rigid body and an axis of rotation? (2)
(Board 2014)
2) Think of a body that is at rest but not in equilibrium. (2) (Board 2016)
3) Why there
is a need for a second condition if a body satisfies the first condition for equilibrium?
(2)
4) 20 N force
is acting at an angle of 30o with the horizontal. Find the force. (4) (Board
2014)
