i) Theory Based Question-
1. Define rest and motion.
2. Under what condition, is the magnitude of average velocity of an object equal to its average speed?
3. Distinguish between speed and velocity. Body having constant velocity c. Body having constant acceleration.
5. What are the function of the devices speedometer and odometer of automobile?
6. Prove the following equations of motion analytically:
1
(i) s = ut + -at? (ii) v2 = u? + 2as
2
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ans of Question no 1:Rest: If a body does not change its position with respect to its surroundings, the body is said to be at rest. E.g. A table lying in a room is at rest with respect to the walls of the room. Motion: A body is said to be in motion if it changes its position with respect to its surroundings.
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