Question

one end of an iron wire offline 250 cm and of diameter 1 millimetre is rigidly affixed to the beam and weight of 8 kg is placed at the other end calculate the elongation of the wire .Y of iron =20 *10^11 dyne cm^2 and g =980 unit​

Answer 1

Answer:

here is your answer mate

Answer 2

Refer the attached image for the answer

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