How Does the Square-Cube Law Limit Animal Size?

In summary, a well-known professor in a MIT course on YouTube explained that increasing an animal's height by 10 times will only make it 100 times stronger, not 1000 times, due to the square-cube law. This law states that the strength of an animal is roughly proportional to the cross-section of its muscles, not their total volume. Therefore, there is a limit to how large an animal can grow before its bones are unable to support its weight.
  • #1
lnsanity
34
0
I saw a MIT course on YouTube where the well know professor say that if I augment the height per 10 the strength augment by 100 (square) but the mass by 1000 (cube) so an animal would be 10 time relatively weaker if 10 time taller so he explain there is a limit to animal size because of this. He also said that the bone would not be able to support an animal too big.

My question is why the animal is only 100 time stronger not 1000 time ? since is muscular mass is 1000x ?
 
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  • #2
lnsanity said:
My question is why the animal is only 100 time stronger not 1000 time ? since is muscular mass is 1000x ?
The strength would be (roughly) proportional to the cross-section of the muscles, not their total volume.

This principle is sometimes called the square-cube law.
 

Related to How Does the Square-Cube Law Limit Animal Size?

1.

What is strength relative to height?

Strength relative to height is a measure of an individual's strength compared to their height. It takes into account an individual's body composition and muscle mass to determine how strong they are in relation to their height.

2.

How is strength relative to height measured?

Strength relative to height can be measured using various methods such as body mass index (BMI), body fat percentage, and muscle mass measurements. However, the most accurate way to measure strength relative to height is through strength tests that measure an individual's maximum lifting capacity.

3.

What are the benefits of having a high strength relative to height?

Having a high strength relative to height can indicate that an individual has a good balance of muscle mass and body composition. This can lead to improved physical performance, reduced risk of injury, and better overall health.

4.

Can strength relative to height vary between different individuals?

Yes, strength relative to height can vary between individuals due to factors such as genetics, training, and nutrition. It can also vary depending on the type of strength being measured (e.g. upper body strength vs. lower body strength).

5.

How can an individual improve their strength relative to height?

An individual can improve their strength relative to height through regular strength training and proper nutrition. By increasing muscle mass and reducing body fat, an individual can improve their strength relative to their height. It is important to consult a professional trainer and follow a safe and effective training program.

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