A  heavy box of mass 20 kg is placed on a horizontal surface . If coefficient of kinetic friction
Channel: Doubtnut
Date: 2020-08-02

A  heavy box of mass 20 kg is placed on a horizontal surface . If coefficient of kinetic friction between the box and the horizontal  surface . Is 0.25 calculate the force of kinetic friction Also calculate acceleration produced under a force of 98 N applied horizontally ?