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How much load should be hung from the en...

How much load should be hung from the end of a steel wire of length 3.14 m and of diameter 1 mm so that it increases in length by 1mm? Y for steel is `2 times 10^11` SI unit.

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The correct Answer is:
5.1 kg
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A load of 5kg hangs from one end of a vertical wire of length 1 m and of radius 1 mm. IF young's modulus of the material of the wire is 2 times 10^11 N.m^-2 , find the length of the wire when no load is acting on it.

What will be the increase in length of a steel wire of length 10 m and of diameter 2mm when subjected to a tension due to application of a load of 168 kg on it? Young's modulus of steel= 21 times 10^10 N.m^-2 .

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A load of 20 kg is hung from one end of a wire of length 6 m and of cross sectional area 1mm^2 . IF the load is withdrawn, the length of the wire becomes 5.995 m. Calculate the (i) longitudinal strain, (ii) longitudinal stress and (iii) Young's modulus for the material of the wire.

A body of mass 2kg and density 2.7 g. cm^-3 is suspended by a steel wire of length 1 m and radius 1 mm. IF the body is completely immersed In water, what will be the change in length of the wire? Y of steel =2 times 10^2 dyn.cm^-2 and g=980 cm.s^-2

Can the length of a steel wire be doubled by hanging a load from its end?

When a load of 10 kg is hung from one end of a wire of length 5 m, the wire elongates by 5 mm. IF the young modulus for the material of the wire is 9.8 times 10^10 N.m^-2 , then find the area of cross section of the wire. [g=9.8 m.s^-2 ]

CHHAYA PUBLICATION-ELASTICITY -EXERCISE ( Problem Set-I)
  1. How much load should be hung from the end of a steel wire of length 3....

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  2. When a load of 10 kg is hung from one end of a wire of length 5 m, the...

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  3. A steel wire of uniform diameter has length 2.5 m, mass 0.016 kg and d...

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  4. What will be the increase in length of a steel wire of length 10 m and...

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  5. A load of 20 kg is hung from one end of a wire of length 6 m and of cr...

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  6. When a load of 3 kg is hung from one end of a copper wire of length 2 ...

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  7. A load of 5kg hangs from one end of a vertical wire of length 1 m and ...

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  8. Cross sectional area of a steel wire is 1 cm^2.How much force is requi...

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  9. The length of a wire of diameter 0.8 mm is 2.5 m, IF the breaking stre...

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  10. Young's modulus for the material of a substance is 7.25 times 10^10 N....

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  11. What will be the increase in length of a wire of length 10 m undergoin...

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  12. Calculate the change in length of a wire of length 5 m undergoing a st...

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  13. Volume of a substance at normal atmospheric pressure is 3500 times 10^...

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  14. Compressibility of an oil is 20 times 10^-6 atm^-1. A hydraulic press ...

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  15. Young's modulus of silver is 7.25 times 10^10 N.m^-2 and its bulk modu...

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  16. Young modulus of a material is 12.65 times 10^10 dyn .cm^-2 and its mo...

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  17. Young modulus of a material =18.5 times 10^10 N.m^-2 and its poisson's...

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  18. The value of Young's modulus for a material is 24 times 10^11 dyn.cm^-...

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  19. Two wires of the same length are made of different materials. Diameter...

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  20. A metallic wire of length and diameter 300 cm and 0.1 cm. respectively...

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