Name the physical quantity which corresponds to the rate of change of momentum.
Q.1. Name the physical quantity which corresponds to the rate of change of momentum.
Ans. Force.
Q.2. Mention the nature of motion of a body if its displacement-time graph is a straight line parallel to time axis.
Ans. No motion.
Q.3. The displacement – time graph of a body is parallel to time axis. What will you infer about the velocity of the body ?
Ans. The body is not moving. Stationary.
Q.4. A body is moving along a circular path of radius R. Find the displacement of the body when it completes half a revolution.
Ans. 2 R
Q.5. Name a physical quantity that essentially changes as a body moves.
Ans. Distance/Displacement.
Q.6. Under what condition will the magnitude of the displacement be equal to the distance travelled by an object ?
Ans. When an object moves along a straight line in one direction.
Q.7. What is the numerical ratio of average velocity to average speed of an object when it is moving along a straight path?
Ans. 1:1
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