A block is placed on a rough floor and a horizontal force F is applied on it . The force of friction by the floor on the block is measured for different values of F and a graph if plotted between them. Options: A . &nbspthe graph is a straight line of slope `45^circ` B . &nbspthe graph is a straight line parallel to the F-axis C . &nbspthe graph is a straight line os slope `45^circ` for small F and a straight line parallel to the F=axis for large F D . &nbspthere is a small kink on the graph

A block is placed on a

Question

A block is placed on a rough floor and a horizontal force F is applied on it . The force of friction by the floor on the block is measured for different values of F and a graph if plotted between them.

Options:

A . the graph is a straight line of slope `45^circ`

B . the graph is a straight line parallel to the F-axis

C . the graph is a straight line os slope `45^circ` for small F and a straight line parallel to the F=axis for large F

D . there is a small kink on the graph

Answer: Option D

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