A 300 g object is pushed through a length of 80 cm on a

Last updated: 7/31/2022

A 300 g object is pushed through a length of 80 cm on a tabletop. Coefficient of kinetic friction between the object and tabletop is 0.2. What is the work done by the force of friction during this 80-cm displacement of the object? 0.47 J 0.78 J 0.38 J 0.65 J