Question

1. When is a body said to
be at rest?​

Answer 1

Answer:

In physics, rest is the state an object being stationary relative to a particular frame of reference or another object; when the position of a body with respect to its surroundings does not change with time it is said to be "at rest".

Explanation:

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Answer 2

Answer:

rest is the state an object being stationary relative to a particular frame of reference or another object; when the position of a body with respect to its surroundings does not change with time