A-LevelPhysicsDynamics9702/12 · May/June 2025 · Q111 Mark
A cyclist is riding at a constant speed on a level road. According to Newton's third law of motion, what is equal and opposite to the backward push of the back wheel on the road?
Athe force exerted by the cyclist on the pedals
Bthe forward push of the road on the back wheel
Cthe tension in the cycle chain
Dthe total air resistance and friction force
✓ Correct answer
B: the forward push of the road on the back wheel
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