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Net Contact Force

A block of ma...

Question

A block of mass $2 k g$ rests on an inclined plane of inclination angle $37^{o}$ , then calculate the force of friction acting on the block (take $g = 10 m / s^{2}$ )

A

20 N

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B

12 N

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C

16 N

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D

Zero

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Solution

The correct option is B $12 N$
FBD of body is,
force of friction $F_{U} = N s i n Q$
Where Q is angle of inclination,
$F = 20 s i n 37 = 12 N$

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