On the horizontal surface of a truck a block of mass 1 kg is placed (µ=0.6) and truck is moving with acceleration 5 ms⁻². The frictional force on block will be

Options

(a) 5 N
(b) 6 N
(c) 5.6 N
(d) 6.5 N

Correct Answer:

5 N

Explanation:

F = mass x acceleration = 1 x 5 = 5N.