A-LevelPhysicsDynamics9702/12 · May/June 2015 · Q131 Mark
Newton's third law of motion is often summarised as 'Every action (force) has an equal and opposite reaction.' A book rests on a table. If the weight of the book is the 'action' force, what is the 'reaction' force?
Athe pull of the book on the Earth
Bthe pull of the Earth on the book
Cthe push of the book on the table
Dthe push of the table on the book
✓ Correct answer
A: the pull of the book on the Earth
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