A mass of 200 kg is placed on a rough inclined plane of angle `30^(@)` . If coefficient of limiting
Channel: Doubtnut
Date: 2020-08-02

A mass of 200 kg is placed on a rough inclined plane of angle `30^(@)` . If coefficient of limiting friction is `1 // sqrt 3` , find the least forces in newton , acting parallel to the plane (i) to keep the mass from sliding down (ii) to move the mass up the plane.