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Question
A block of mass m is placed on a smooth inclined plane of inclination θ with the horizontal. The force exerted by the plane on the block has a magnitude.
Options
mg
mg/cosθ
mg cosθ
mg tanθ
MCQ
Solution
mg cosθ
From the free-body diagram,
N = mg cosθ
Normal force exerted by the plane on the block is mg cosθ.
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