Question

what do you understand by the giving terms : a) rest , b. motion ?​

Answer 1

(a)when an object does not changes its position with respect to time and its surroundings then the object is said to be at rest

(b)when an object changes its position with respect to time and its surroundings then the object is said to be in motion

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Answer 2

a) rest: A body is said to be in rest when there is no movement.

b)motion:A body is said to be in motion when there is any movement in the body.
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