^Rest & motion

^Rest & motion

If position of body changes w.r.t. surroundings with the time then it is said to be moving otherwise at rest. Rest & motion are relative. A person sitting in a moving vehicle is at rest w.r.t. other persons in sitting same vehicle while is in motion w.r.t. other persons standing on road. If the position of a body doesn’t change with respect to all objects in the universe, then it is said to be in absolute rest. Absolute rest is impossible. If the position of a body doesn’t change with respect to one or more things in the universe, then it is said to be in relative rest. Relative rest is possible.

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