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A block of mass 0.1 is held against a wa...

A block of mass 0.1 is held against a wall applying a horizontal force of 5N on block. If the coefficient of friction between the block and the wall is 0.5, the magnitude of the frictional force acting on the block is:

A

9.8

B

2.5

C

0.98

D

0.49

Text Solution

Verified by Experts

The correct Answer is:
C
`f_("max")=0.5xx5=2.5N`
`F_("req")=mg=0.98=0.98N`
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ALLEN-NEWTONS LAWS OF MOTION-EXERCISE-II
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