engineering recuitment AAI JE Technical Mock Test 2020-21 Engineering Mechanics Equilibrium and Friction Friction
A block of mass 10 kg rests on a horizontal floor. The acceleration due to gravity is 9.81 m/s2. The coefficient of static friction between the floor and the block is 0.2. A horizontal force of 10 N is applied on the block as shown in the figure. The magnitude of force of friction (in N) on the block is _________.
1
10
2
7
3
5
4
11