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Physics
A weight W rests on a rough horizontal plane. If the angle of friction be θ, the least force that will move the body along the plane will be
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Q. A weight $W$ rests on a rough horizontal plane. If the angle of friction be $\theta$, the least force that will move the body along the plane will be
Laws of Motion
A
$W \cos \theta$
13%
B
$W \cot \theta$
13%
C
$W \tan \theta$
33%
D
$W \sin \theta$
40%
Solution:
$F-\mu N=m(0) ; N=W ; F=\mu W \Rightarrow F=W \tan \theta$
