Question

A plank of mass 3 m is placed on a rough inclined plane and a man of mass m walks down the plank.
If the coefficient of friction between the plank and inclined plane is mu = 0.5, the minimum
acceleration of the man so that the plank does not slide is (g 10 ms?)
(a) 8 m/s2
(b) 4 m/s
W 6 m/s2
(d) 3 m/s?​

Answer 1

Answer:

c is correct and determine if incorrect

Explanation:

c is correct I think