Question

Define rest and motion?

Answer 1

When an object is at rest with respect to its surroundings is called rest.

When an object is moving with respect to its surroundings is called motion

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Answer 2

if if an object doesn't change its position with time with respect to the surrounding it is said to be at rest but if an object changes its position with time with respect to the surroundings or a fixed origin it is said to be in motion.

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