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A mass of 1 kg is just able to slide dow...

A mass of 1 kg is just able to slide down the slope of an inclined rough surface when the angle of inclination is `60^(@)` The minima force necessary to pull the mass up the inclined plane is: `(g=10 m//s^(2))`

A

`14.14 N`

B

`17.32 N`

C

10 N

D

`16.66N`

Text Solution

Verified by Experts

The correct Answer is:
B
Force required to pull up
`F=2mg sin 60^(@)`
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