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A rectangular bar is uniformly loaded ax...

A rectangular bar is uniformly loaded axially with force per unit area `sigma` shown. Shown is a section `A A'` in the bar. Normal stress for the section is

A

`sigma sintheta`

B

`sigma`

C

`sigma sin^(2)theta`

D

`sigma sin theta cos theta`

Text Solution

Verified by Experts

The correct Answer is:
C
`sigma' = (Fsintheta)/(Scosectheta) = sigmasin^(2)theta`
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