NEWTON'S THIRD LAW: ACTION AND REACTION
1 mark · NormalA person hits a nail into a piece of wood with a hammer. According to Newton’s third law, what is the force exerted by the nail on the hammer?
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Correct option: The nail exerts an equal force to the hammer but in the opposite direction.
Common mistakes: Choosing options related to mass rather than forces
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Marking points
A1 · 1 mark · Correct answer: The nail exerts an equal force to the hammer but in the opposite direction.
Worked solution
According to Newton's third law, the nail exerts a force that is equal in size and opposite in direction to the force exerted by the hammer.