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Longitudinal Stress

if the strain...

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if the strain in a wire is not more than 1/1000 and Y = 2 * 10^11 N/m^2, Diameter of wire is 1 mm. The maximum weight hung from the wire is

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Similar questions

Q. If the strain in wire is not more than

10^{- 3}

10^{11} N / m^{2}

, diameter of wire is 1 mm, then the maximum weight that can be hanged from wire is then:-

Q. A steel wire of diameter

1 \times 10^{- 3} m

is stretched by a force of

20 N

. Calculate the strain energy per unit volume. (

Y

= 2 \times 10^{11} N / m^{2}

Q. A wire of a length 1m and diameter of 0.4mm is hung from a ceiling. Find the extension caused in the wire, by attaching a weight of 100N, if the material of the wire has the Young's modulus E = 200

\times 10^{11}

Q. A steel wire of length

7 m

and cross section

1 {m m}^{2}

is hung from a rigid support with a steel weight of volume

1000 c c

hanging from the other end. Find the decreases in the length of wire, when steel weight is completely immersed in water.

(Y_{s t e e l} = 2 \times 10^{11} {N / m}^{2})

Density of water

= 1 g / c . c)

Q. An Aluminium and Copper wire of same cross sectional area but having lengths in the ratio

2 : 3

are joined end to end. This composite wire is hung from a rigid support and a load is suspended from the free end. If the increase in length of the composite wire is

2.1 m m

, the increase in lengths of Aluminium and Copper wires are : [

Y_{A l} = 20 \times 10^{11} N / m^{2}

Y_{C u} = 12 \times 10^{11} N / m^{2}

]

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