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SI units of stress is...

SI units of stress is

A

`Nm^(2)`

B

Nm

C

`Nm^(-2)`

D

`Nm^(-1)`

Text Solution

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The correct Answer is:
C
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Unit of stress is

AAKASH INSTITUTE-MECHANICAL PROPERTIES OF SOLIDS-Assignment (SECTION - A)
  1. SI units of stress is

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  2. Dimensional formula for strain is

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  3. The ratio of radii of two wires of same material is 2 : 1. If these wi...

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  4. A load of 2 kg produces an extension of 1 mm in a wire 3 m in length ...

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  5. Young's modulus depends upon

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  6. Young's modulus for a perfectly rigid body is

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  7. The breaking stress of aluminium is 7.5 xx 10^7 Nm^(-2) Find the great...

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  8. The stress- strain graphs for materials A and B are as shown. Choose t...

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  9. A steel wire of diameter 2 mm has a breaking strength of 4xx10^(5)N. W...

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  10. Find the greatest length of copper wire, that can hang without breakin...

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  11. A wire 2 m in length suspended vertically stretches by. 10 mm when mas...

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  12. A wire of length L and cross-sectional area A is made of material of Y...

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  13. A spherical ball contracts in volume by 0.01% when subjected to a norm...

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  14. What is the percentage increase in length of a wire of diameter 2.5 mm...

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  15. Two exactly similar wires of steel and copper are stretched by equal f...

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  16. Which of the following is the graph showing stress-strain variation f...

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  17. A steel rod has a radius 10 mm and a length of 1.0 m. A force stretch...

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  18. Two wires of equal length and cross sectional area suspended as shown ...

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  19. When a wire is stretched to double its length, then

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  20. Select the correct alternative (s)

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