Physics for IGCSE & O level - Forces And Motion (Section 12 - No. 12)
Which of the following statements is true regarding Newton's 3rd law of motion?
Forces always act on the same object
Forces always act in pairs.
Forces only affect one object
Forces always have the same magnitude but different directions on the same object.
Explication
For every action, there is an equal and opposite reaction acting on different objects.