question_answer

Direction of frictional force between wheel of the car and road is

A)  upward                              

B)  forward

C)  backward                          

D)  downward

Correct Answer: B

Solution :

                While  moving  a  vehicle pushes the ground   backwards  (action)   and  the     rough  surface  of ground reacts and exerts a forward force due to friction, which causes the motion.