A block is placed on a rough floor and a horizontal force F

Last updated: 6/5/2023

A block is placed on a rough floor and a horizontal force F is applied on it The force of friction f by the floor on the block is measured for different values of F and a graph is plotted between them a The graph is a straight line of slope 45 b The graph is a straight line parallel to the F axis c The graph is a straight line of slope 45 for small F and a straight line parallel to the F axis for large F d There is a small kink on the graph