Question

If a man is moving on a bicycle, which of the following force is acting​

Answer 1

Explanation:

1: Gravitation force by earth

2: Friction force by ground

Answer 2

Answer:

The friction force acts in the forward direction on the rear wheel and it acts in the backward direction on the front wheel.

The magnitude of friction force on the rear wheel can be more, equal or less than that on the front wheel. The friction force on the rear wheel is more than that on the front wheel if the bicycle accelerates. These two are equal if the bicycle moves with a constant speed. The friction force on the rear wheel is less than that on the front wheel if the bicycle decelerate.

If pedaling is stopped, the direction of friction force on the rear wheel gets reversed.

Explanation:

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