Question

What does an object do when it accelerates?It speeds up. It moves in the opposite direction. It changes speed and direction. all of the above

Answer 1

The best choice is "It changes speed and direction" — more precisely, acceleration means a change in velocity. That can be:
- a change in speed (speeding up or slowing down),
- a change in direction (e.g., uniform circular motion), or
- both at once.

So it does not have to "move in the opposite direction" and "all of the above" is not correct as written.