Question

3. When is a body said to be at rest?
4. When is a body said to be in motion ?​

Answer 1

Explanation:

$◆ A_N_S_W_E_R ◆$

1. A body is said to be at rest when its position doesn't change with time.

2. A body is said to be in motion when its position continuously changes with respect to time.

Hope, it's help you.

✌️✌️

Answer 2

Answer:

Hey mate,

Answer is mentioned below.

3. A body is said to be at rest when its position changes with respect to it's time.

4. A body is said to be in motion when its position continuously changes with respect to time.

Hope it helps you.