Question

When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is such that, it acts ___________

(a) In the backward direction on the front wheel and in the backward 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 backward direction on both front and the back wheel

(d) In the forward direction in both front and the back wheel

This question was posed to me during an interview for a job.

Enquiry is from Laws of Nature topic in section Laws of Motion of Engineering Physics I

Answer 1

The correct option is (a) In the backward direction on the front wheel and in the backward direction on the rear wheel

Explanation: When a bicycle is in motion, the force of friction acts in the backward direction on the front wheel and in the forward direction on the rear wheel.