Question

When an object said to be at rest?​

Answer 1

Explanation:

here is your answer

• In physics, rest is the state of 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".

hope it's helpful for you ☺️

Answer 2

Answer:

When the speed of the body is zero, it is considered to be in a state of rest. In other words, a body is said to be at rest if its position does not change with time with respect to its surroundings.