Question

A block of mass 10 kg is moving on a rough surface as shown in figure. The frictional force acting on block is
v = 4 m/s
F= 20 N
u = 0.6
(1) 20 N
(3) 40N
(2) 60 N
(4) 80 N
​

Answer 1

Answer:

(2) 60N

Explanation:

frictional force = mu*m*g

f= 0.6 * 10 * 10

f= 60 N