Question

The coefficient of static & kinetic friction between a block and horizontal surface is 0.6 and
0.4 respectively. A horizontal force required to just move the block is applied on the block.If
this force continues to act, the acceleration acquired by the body in ms square is
1) 0.98
2) 1.96
3) 3.92
4) 5.88​

Answer 1

3.92 m/s2 because static friction is applied there.. so "umg =ma"