The largest Young\'s modulus measured for any biological material is 30.0 GPa ,

Question

The largest Young's modulus measured for any biological material is 30.0 GPa , for the S-layer of cell walls. Suppose that in the future we are able to use this material to construct an artificial Achilles tendon (see previous problem) for an athlete who has damaged his. The artificial Achilles tendon should be just as long as the original one so that it can connect at the proper places. (According to one set of experiments, the average area of the Achilles tendon is 78.1mm2 , its average length is 24.0 cm , and its average Young

Explanation / Answer

achilles tendor stretches by a particular length.so the strain is known and force that it can exerted is known. so by using hookes law we can get the stress developed as stress=Y *strain and stress=F/area and area=pi*d^2/4 comparing the result found in the case of artificial tender and natural tendor, the diameter can be found out.

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