Friction on inclined plane of angle more than angle of repose
Question
A 30 kg box has to move up an inclined slope of to the horizontal at a uniform velocity of 5 . If the frictional force retarding the motion is 150N, the horizontal force required to move up is (g=10 )
Moderate
Solution
Fcos300 = mgsinθ + f Fcos300 = mgsin+ f
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