Physics for IGCSE & O level - Forces And Motion (Section 3 - No. 44)
In the context of forces, what are action-reaction pairs?
Forces acting on the same object.
Forces that are equal in magnitude and act in the same direction.
Forces that act on different objects.
Forces acting on the same direction but with different magnitudes.
Giải thích
Action-reaction pairs are forces that always occur in pairs, acting on different objects, and are equal in magnitude but opposite in direction.