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The force required to move a body up a r...

The force required to move a body up a rough inclined plane is double the foce required to prevent the body from slinding down the plane. The coefficient of friction, when the angle of plane is `60^(@)` is

A

`1/3`

B

`1/sqrt2`

C

`1/sqrt3`

D

`1/2`

Text Solution

Verified by Experts

`(K.E)_max="hc"/lambda-phi_0=(6.6xx10^(-34)xx3xx10^8)/(3000xx10^(-10))-2xx1.6xx10^(-19)=3.4xx10^(-19)J`
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