Asked by FLORA

A FORCE OF 40N APPLIED AT THE END OF THE WIRE OF LENGTH 4M AND DIAMETER 200MM PROCESS AND EXTENSTION OF 0.24 CAL YOUNG MODULUS

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Answered by Damon
0.24 what?
meters? miles? centimeters? millimeters ? fathoms?
Y = Young's Modulus = stress / strain = F / (pi r^2) / [ length change / L]
Do all your lengths in METERS !!! and force in Newtons
and r = D/2 = 100mm = 0.100 meter
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