Question

In which of the following case(s) can we say that the object is in motion?

• A. Only if the object moves away with respect to the observer.
• B. If the object doesn't change its position with respect to the observer.
• C. If the object changes its position with respect to the observer.
• D. Only if the object moves toward with respect to the observer.

Answer 1

The correct option is C If the object changes its position with respect to the observer.

If the position of the object changes with respect to the observer, then the object is in motion.