Correct Answer:
Option B - When an object position is continuously changing over time relative to an observer, it can be said that the object is moving or dynamic condition.
OR
We can say that object is in a state of motion, because object position changes with time.
B. When an object position is continuously changing over time relative to an observer, it can be said that the object is moving or dynamic condition.
OR
We can say that object is in a state of motion, because object position changes with time.