Question

Which statement describes completely "a body in motion"?

• A. When a body continuously changes its position with time
• B. When a body continuously changes its position with respect to the surroundings
• C. When a body continuously changes its position with respect to the time and surroundings
• D. none of the above

Answer 1

The correct option is C

When a body continuously changes its position with respect to the time and surroundings

1. When the position of a body continuously changes with respect to time and its surroundings, the body is said to be in motion.
2. In other words, when the position of a body continuously changes with respect to the reference point (any object around the body) and time, the body is said to be in a state of motion.

Hence, option C is correct.