Question Guide – Forces Action-Reaction Pairs

Question:
The figure below shows a person sitting on a box that rests on the ground.

Which of the following action-reaction pairs is correct?

A The weight of the man and the normal force from the box supporting man.
B The weight of the man and the contact force on the box by the man.
C The weight of the box and the normal force from the ground on the box.
D The weight of the man and the gravitational force of man on Earth.

Solutions are open to Learning For Keeps students who are preparing for the upcoming O Level exam only.

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