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Question

Bone has a Young's modulus of about 1.8 × 1010 Pa . Under compression, it can withstand a stress of about

1.6 × 108 Pa be- fore breaking.

Assume that a femur (thigh bone) is 0.6 m long, and calculate the amount of compression this bone can withstand before breaking.

Answer in units of mm.

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IMG-20200211-WA0000.jpg

Given :
young's modulus of bone = 1 18 x10 Pa
Stress mays = 1.6 x10 Pa
length of bone ( 1) = 0:6m
let the compression of bone bes AX
i Young's modulus :
Stress
strain
s trey
AX
= 1.8x10 Pa
1. 6 x10...

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