A woman pushes a box on railway platform which has rough

Last updated: 6/10/2023

A woman pushes a box on railway platform which has rough surface She applies a force of 20 N over a distance of 5 m thereafter gets tired and applied force which reduces linearly to 10 N with distance The total distance which box has been moved is 10 m Work done during second displacement is 1 175 J 3 75 J NCERT Pg 119 2 19 5 J 4 14 65 J