1.

A 10sqrt(3) kg box has to move up an inclined slope of 60^(@) to the horizontal at a uniform velocity of 5 ms^(-1). If the frictional force retarding the motion is 150N, the minimum force applied parallel to inclined plane to move up is (g=10 ms^(-2))

Answer»

`300xx(2)/(sqrt(3))N`
`300xx(sqrt(3))/(2)N`
300 N
150 N

ANSWER :C


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