The minimum force required to start pushing a body up rough (frictional coefficient `mu`)
Channel: Doubtnut
Date: 2020-08-23

The minimum force required to start pushing a body up rough (frictional coefficient `mu`) inclined plane is `F_(1)` while the minimum force needed to prevent it from sliding down is `F_(2)`. If the inclined plane makes an angle `theta` from the horizontal such that tan `theta=2mu` then the ratio `(F_1)/(F_2)` is