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A block of mass m = 4 kg is placed over ...

A block of mass `m = 4 kg` is placed over a rough inclined plane as shown in fig . The coefficient of friction between the block and the plane `mu = 0.5 ` A force `F = 10N` is applied on the block at an angle of `30^(@)`. Find the contact force between the block and the plane.
`k`

A

`10.65N`

B

`16.32N`

C

`27.15N`

D

`32.16N`

Text Solution

Verified by Experts

The correct Answer is:
C
Draw `FBD, N +F sin alpha = mg cos theta`
`f = muN, R = sqrt(N^(2)+f^(2))` .
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