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The horizontal acceleration that should ...

The horizontal acceleration that should be given to a smooth inclined plane of angle `sin^(-1)((1)/(l))` to keep an object stationary on the plane, relative to the inclined plane is

A

`(g)/(sqrt(l^(2)-1))`

B

`gsqrt(l^(2)-1)`

C

`(sqrt(l^(2)-1))/(g)`

D

`(g)/(sqrt(l^(2)+1))`

Text Solution

Verified by Experts

The correct Answer is:
A
Resolve mg and pseudo force into components
At equilibrium `mg sin theta=ma cos theta`
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