railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Engineering Mechanics Equilibrium and Friction Friction
A body of mass 2 kg rests on a rough inclined plane making an angle of 30° with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is
1
9.81 N
2
6.87 N
3
11.88 N
4
16.9 N