A block of mass m=10 kg is resting on a rough surface `mu_(S)=0.4, mu_(k)=0.3`. It is pulled by a
Channel: Doubtnut
Date: 12/04/2020

A block of mass m=10 kg is resting on a rough surface `mu_(S)=0.4, mu_(k)=0.3`. It is pulled by a force F=30 N at an angles of `53^(@)` above horizontal. What is the work done by friction till t=10 sec