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A thin hoop of weight 500 N and radius 1...

A thin hoop of weight `500 N` and radius `1 m` rest on a rought inclined plane as shown in the figure. The minimum coefficient of friction needed for this configuration is.
.

A

`(1)/(3sqrt3)`

B

`(1)/(sqrt3)`

C

`(1)/(2)`

D

`(1)/(2sqrt3)`

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The correct Answer is:
D
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