Turning Forces, Moment of Force, Center of Gravity

1. The moment of force depends on:

Force applied only Force and perpendicular distance from the axis Mass of the object

2. SI unit of moment of force?

Newton Joule Newton meter

Uniform Circular Motion

3. A body moving in uniform circular motion has:

Constant velocity Constant speed but changing velocity Increasing speed

4. The force responsible for uniform circular motion is called:

Gravitational force Frictional force Centripetal force