one force acting on the object in the opposite direction of the motion two forces acting on the object in the same direction as the motion one force acting on the object perpendicular to the direction of the motion two forces acting on the object in different directions to the motion
I gave my students this multiple choice question: Which situation would most likely cause an object to travel in a circular motion?

Only one answer is correct among these 4 choices:
- one force acting on the object in the opposite direction of the motion
- two forces acting on the object in the same direction as the motion
- one force acting on the object perpendicular to the direction of the motion
- two forces acting on the object in different directions to the motion

Could you tell me which one is correct?

one force acting on the object perpendicular to the direction of the motion