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A block is placed on a rough floor and ...

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

c,d

B

a,d

C

a,b

D

a,c

Text Solution

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The graph is a straight line of slope `45^(@)` for smal F and a straight line prallel to the F-axis for large F. there is small kink on the graph
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