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An iron rod B of length 1 m and mass 1 k...

An iron rod B of length 1 m and mass 1 kg is suspended with help of two wires as shwon in figure. The area of cross-section of iron wire is 0.3 `cm^(2)` and of copper wire is `0.6cm^(2)`.

At what distance from iron wire a weight can be hung to produce equal stress in wires?

A

a. 0.82 m

B

b. 0.38 m

C

c. 0.67 m

D

d. 0.47 m

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • A light rod of length 2 m is suspended from ceiling horizontally by means of two vertical wires of equal length tied to its ends. One of the wires is made of steel and is of cross-section 0.1 cm sq. and the other of brass of cross-section 0.2 cm sq. Along the rod at what distance a weight may be hung to produce equal stresses in the wires? (Y_("Steel") = 2 xx 10^(11) Nm^(-2), Y_("Bass") = 1 xx 10^(11) Nm^(-2))

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    `(4)/(3)m` from steel wire
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