Question

Pulling is easier than pushing because :
(a) When we pull a roller, the vertical component
of the pulling force acts in the direction of
weight
(b) The vertical component of the pulling force
acts in the opposite direction of weight
(c) Force of friction is in opposite direction
(d) It is possible in the case of roller only

Answer 1

Answer:

force of friction is in opposite directions

Answer 2

Answer:

Explanation:

I think that the correct answer is D