A block of weight 100N is pushed by a force F on a horizontal rough plane moving with an acceleration 1 m//s^(2), when force is doubled its acceleration becomes 10m//s^(-2). The coefficient of friction is (g=10m//s^(-2))

A block of weight 100N is pushed by a force F on a horizontal rough pl

1.	A block of weight 100N is pushed by a force F on a horizontal rough plane moving with an acceleration 1 m//s^(2), when force is doubled its acceleration becomes 10m//s^(-2). The coefficient of friction is (g=10m//s^(-2))
Answer» 0.4 0.6 0.5 0.8 Solution :`F_(R)=F-f, f=mu_(K)MG`