Your first assignment is to verify that Igor created the correct bicep muscle fo

Question

Your first assignment is to verify that Igor created the correct bicep muscle for the creature. The doctor wants the bicep to be able to deliver a contractile force of 6.4 kN. The current sareomere density for each fascicle is 3.2 Times 10^14. Can a muscle made of 2 fascicles achieve the target contractile force? Remember that each sareomere can produce a contractile force of 5pN. The Dr. has changed his mind! Now he wants the bicep to produce a force of 13 kN! How many of the above fascicles will you need to put together to make a muscle that can generate a contractile force of 13 kN?

Explanation / Answer

1. 2 fascicles can generate 2 x 3.2 x 1014 x 5 = 3.2 x 1015 pN = 3.2 x 1015 / 1012 = 3.2 kN

But the garget is 6.4 kN. Therefore, 2 fascicles can not make it.

2. 1 fascicle can generate 3.2 x 1014 x 5 pN force.

To generate 13kN = we need (13 x 103 x 1012) / (3.2 x 1014 x 5) pN = 8.125 (~9, since 8 would not be enough)

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