Question

In a reference frame a body is said to be at rest then

A) the position of particle doesn't change with time

B) the position of particle changes with time

C) the position of particle some times change with time

D) all the above​

Answer 1

Answer:

option A is correct

Explanation:

the position of particle doesn't change with time

hope it helped you

Answer 2

Answer-Option A

Explanation-If the position of the body doesn't change with respect to time,and surrounding then we can call that,the body is in rest.