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A uniform box is kept on a rough incline...

A uniform box is kept on a rough inclined plane. It begins to topple when `theta` is equal to:

A

`30^(@)`

B

`60^(@)`

C

`tan^(-1)(1/2)`

D

`45^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
`mg sin thetaxxx=mg cos thetaxxx/2`
taking moment about right bottom corner
`rArrtan theta=1/2`
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