The force required to just move a body up the inclined plane is double the force required to jus...

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The force required to just move a body up the inclined plane is double the force required to just prevent the body from sliding down the plane. The coefficient of friction is \( x \). If \( \theta \) is the angle of inclination of the plane than \( \tan \theta \) is equal to
(a) \( x \)
(b) \( 3 x \)
(c) \( 2 x \)
(d) \( 0.5 x \)
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