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A 30 kg block is to be moved up an incli...

A 30 kg block is to be moved up an inclined plane at an anglue 30° to the horizontal with a velocity of `5ms^(-1)`. If the frictional force retarding the motion is 150N find the horizontal force required to move the block up the plane. (`g=10ms^(-2)`)

A

`300 xx (2)/(sqrt3) N`

B

`300 xx (sqrt3)/(2) N`

C

`300 N`

D

`150 N`

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The correct Answer is:
A
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
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