MCQ- 2, ICSE Physics class 10 ch-1 FORCE ,WORK, POWER AND ENERGY

Uniform Circular Motion & Energy Quiz

1. In uniform circular motion, the velocity of the object is:

Constant Changing in magnitude Changing in direction Zero

2. Centripetal force always acts:

Outward from the center Inward towards the center Along the tangent Perpendicular to motion

3. The kinetic energy of an object depends on:

Only mass Only velocity Both mass and velocity Only acceleration

4. Work is said to be done when:

A force is applied There is displacement in the direction of force The object remains at rest Velocity changes

5. The total energy of a freely falling object:

Increases Decreases Remains constant Becomes zero