Test Academy | A plane is inclined at an angle θ with the horizontal. A body of mass m rests on it. If the coefficient of friction is μ, then the minimum force that has to be applied parallel to the inclined plane to make the body just move up the inclined plane is mg sinθ, μ mg cosθ, μ mg cosθ -mg sinθ, μ mg cosθ + mg sinθ

Question

A plane is inclined at an angle θ with the horizontal. A body of mass m rests on it. If the coefficient of friction is μ, then the minimum force that has to be applied parallel to the inclined plane to make the body just move up the inclined plane is

Options :

mg sinθ
μ mg cosθ
μ mg cosθ -mg sinθ
μ mg cosθ + mg sinθ

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