Motion Worksheet-20

Motion Worksheet-20

 

  1. Kinematics deals with cause of motion.

 

  1. Dynamics is concerned with the study of motion without taking into account the causes of motion. Is it true?

 

  1. An object which appears to be at rest, may actually be in motion.

 

  1. The distance time graph for a non-uniform motion is a curved line.

 

  1. The average speed of a body is the total displacement by a body divided by the total time taken to cover this distance.

 

  1. v - t graph of uniform retardation is straight line.

 

  1. The third equation of motion is

 

  1. If a body moves with uniform velocity then its acceleration is zero.

 

  1. Speed of a body in a uniform Circular Motion is given by

 

Answer:

  1. False

  2. False

  3. True

  4. True

  5. False

  6. True

  7. True

  8. True

  9. True