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A Block slides down cm a rough inclined plane with constant velocity. Find constant force.(a) mg/2 (b) 2mg (c) mg (d) mg/3 |
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Answer» Correct option is (c) mg μmg cosθ = mg sinθ ∴ Total force on plank = mg sinθ (along the incline) mg cosθ+ (⟂to incline) = mg (resultant) |
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