Without calculus

Imagine a rod made of a material of youngs modulus Y and length l, area of cross section A , in Space far away from all gravitational fields

It is subject to 2 forces one 40N and other 10N acting on opposite faces in opposite directions as shown,

Find the net elongation of rod

If answer is a

find 100a


1) Any one can solve using calculus, try to do it without using calculus

2) Remembering a result or formula and solving it is not the same as a new method, in short- Try to Avoid using calculus based results for this problem


1) L=1

2) A=5

3) Y=5

All in SI units


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