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Torque about a Point

A bar having ...

Question

A bar having a cross-sectional area of 700 $m m^{2}$ is subjected to axial loads at the positons indicated. The value of stress in the segment QR is

A

40 Mpa

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B

50 Mpa

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C

70 Mpa

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D

120 Mpa

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Solution

The correct option is A 40 Mpa

$σ_{Q R} = \frac{28 \times 10^{3} N}{700 m m^{2}} = 40 M p a$

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Torque about a Point

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