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Question

The heaviest invertebrate is the giant squid, which is estimated to have a weight of about 0.22 tons spread out over its length of 34 feet. What is its weight in newtons?

Answer 1

Assume even distribution of the 0.22 ton (440 pounds) over the 34 feet of the animal's length. This would amount to 440/34 or 12.94117647 pounds per foot of length.

12.94117647 pounds times 4.44822 newtons per pound is equal to 57.5652 newtons.

57.5652 newtons per foot times 34 feet gives 1957.217504 newtons for the 34 feet of length.

On Earth, a falling mass is accelerated or "sped up" by 9.80665 meters per second every second.  

With force equal to mass times acceleration, it then follows that a mass of (1/9.80665) kilogram or roughly 102 grams falls through Earth's atmosphere with a "thrust" or downward force of (1/9.80665) kilogram times 9.80665 meters-per-second-squared or 1 newton.