A) In the backward direction on the front wheel and in the forward direction on the rear wheel
B) In the forward direction on the front wheel and in the backward direction on the rear wheel
C) In the forward direction on both front and the rear wheels
D) None of these.
Correct Answer: A
Solution :
The rear wheel moves by the force I communicated to it by pedalling while front wheel I moves by itself. So, when pedalling a bicycle, the force exerted by the rear wheel on ground makes the force of friction act on it in the forward direction.
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