A wooden crate of mass is pulled along a horizontal floor through a distance of with…
PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A wooden crate of mass 20kg is pulled along a horizontal floor through a distance of 8m with constant speed. The coefficient of kinetic friction between the crate and the floor is 0.25. Calculate the magnitude of the work done by the frictional force during this motion.
(Give your answer in joule.)