A block of mass 2 kg is at rest on a floor . The coefficient of static friction between block and the floor is 0.54. A horizonatl force of 2.8 N is applied to the block . What should be the frictional force between the block and the floor ? ( take , `g = 10 m//s^(2)`)

Options

A. 8.8N
B. 5.8 N
C. 2.8 N
D. 10.8 N

Answer

C

Explanation

`F_("max") = mu_(s) N = (0.54) (20) = 10.8 N F_("acting") = F_("Qxt") = 2.8 N`