A body of mass M is kept on a rough horizontal surface (friction coefficient 
). A person is trying to pull the body by applying a horizontal force but the body is not moving. The force by the surface on the body is F, where
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Maximum force by surface when friction works
Minimum force 
when there is no friction
Hence ranging from 
to 
We get, 
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