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A 30 kg box has to move up an inclined s...

A 30 kg box has to move up an inclined slope of 30° to the horizontal at a uniform velocity of `5 ms^(-1)`. If the frictional force retarding the motion is 150N, the horizontal force required to move up is (`g=10 ms^(-2)`)

A

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

B

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

C

`5sqrt7N`

D

`5sqrt15 N`

Text Solution

Verified by Experts

The correct Answer is:
A
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