Question

Question No. 18
If the acceleration of block is 10 m/sec2 then coefficient of kinetic friction between block and the surface is :
4 kg → F = 60 N
O 0.5
O 0.6
O 0.4
O 0.8​

Answer 1

Answer:

a=10

M=4kg

F=60

F=ma

60=4*10=40

60÷40=0.15

Sorry i tried but its wrong