Question

When is a body said to be in motion ?

• A. A body is said to be in motion when its position continuously changes with respect to time.
• B. A body is said to be in motion when its position does not change with respect to time.
• C. A body is said to be in motion when its average speed is zero.
• D. All the above.

Answer 1

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

A body is said to be in a state of motion when it is moving or equivalently its position continuously changes with respect to time.