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A block weighing 4N is supported by two ...

A block weighing `4N` is supported by two ropes Once rope is horizontal and the other makes an angle of `30^(@)` with the ceilling The tension (in newton) in the rope attached to the ceilling is .

A

`80 N`

B

`40 N`

C

`34.6 N`

D

`46.2 N`

Text Solution

Verified by Experts

The correct Answer is:
A
`T_(1) =F cos theta, T_(2) =F sin theta , T_(2) = F sin theta, T = sqrt(T_(1)^(2)+T_(2)^(2))` .
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