state gov UP Police Head Operator (Radio Cadre) Mock Test Engineering Mechanics Equilibrium and Friction Friction
A block of mass 5 kg is let to slide through an inclined palne at an angle 45°, the limiting friction of the surface is 0.6 find the frictional force acting between the surface and block
1
12 N
2
28 N
3
21 N
4
42 N