What type of object is called object at rest ? Write with example.​

ln physics, Rest is the state at which an object is stationary or not moving with respect to its surroundings, and is said to be at rest. An example would be a book lying on a table.

When an object does not change it's position with respect to time it is said to be at rest.

Explanation:

Example- A person sitting on a chair or a book lying on a table.

Please note there is no such thing as absolute rest.

Take the example of a person A sitting in a moving bus. If the observer is in the bus then to him person A is at rest. However if the observer is is outside the bus then person A is in motion as the bus is moving.

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the part of the wave he is travelling on is the crest