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A tangential force of 0.25 N is applied ...

A tangential force of 0.25 N is applied to a 5 cm cube to displace its upper surface with respect to the bottom surface. The shearing stress is

A

`10 Nm^(-2)`

B

`50 Nm^(-2)`

C

`75 Nm^(-2)`

D

`100 Nm^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
d
Shearing stress
`= (F)/(A) = (25 xx 10^(-2))/(25 xx 10^(-4)) = 100 Nm^(-2)`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELASTICITY -EXERCISE 1
  1. Two wires of equal cross-section but one made of steel and the other o...

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  2. The Young's modulus of brass and steel are respectively 1.0 xx 10^(11)...

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  3. A tangential force of 0.25 N is applied to a 5 cm cube to displace its...

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  4. The adjacent graph shows the extension (Delta I) of a wire of lenth 1 ...

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  5. A body subjected to strain a number of times does not obey Hook's la...

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  6. Which of the following statements is wrong?

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  7. A stress of 3.18 xx 10^(8) Nm^(-2) is applied to a steel rod of length...

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  8. The young's modulus of a wire of length (L) and radius (r ) is Y. If t...

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  9. An iron rod of length 2 m and cross-sectional area of 50 mm^(2) is str...

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  10. A particular force (F) applied on a wire increases its length by 2 xx ...

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  11. When a sphere is taken to bottom of sea 1 km deep, it contracts by 0.0...

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  12. A copper bar of length L and area of cross-section A is placed in a ch...

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  13. A ball falling in a lake of depth 200 m shows a decrease of 0.1% in i...

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  14. When a rubber cord is stretched, the change in volume with respect to ...

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  15. A uniform cube is subjected to volume compression. If each side is dec...

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  16. For most materials the Youngs modulus is n times the modulus of rigidi...

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  17. In the three states of matter, the elastic coefficient can be

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  18. For a wire of length L, maximum change in length under stress conditio...

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  19. To what depth below the surface of sea should a rubber ball be taken a...

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  20. One end of a unifrom wire of length L and weigth W is attached rigidly...

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