Question
When a bicycle is in motion(without pendelling) the force of friction exerted by the ground on the two wheels act 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 backward direction, on both the front and the rear wheels. d) in the forward direction on the both front and the rer wheels.