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A uniform steel rod of cross- sectional ...

A uniform steel rod of cross- sectional area `A` and `L` is suspended so that it hangs vertically. The stress at the middle point of the rod is

A

`1/2rhogL`

B

`1/4rhogL`

C

`rhogL`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
`T =M/2g = (L/2 srho)g`
`:. sigma = T/S = 1/2 rhogL`
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