Tagged Questions
16
votes
2answers
742 views
Why can't Humans run any faster?
If you wanted to at least semi-realistically model the key components of Human running, what are the factors that determine the top running speed of an individual? The primary things to consider would ...
4
votes
2answers
192 views
Why don't massive water-borne animals crush under their own weight when they're in water?
If you take a giant whale out of the water and put it on land for long enough, it will crush itself under its own weight. Why doesn't the animal get crushed under its own weight when it's in water?
4
votes
2answers
1k views
How can an an ant lift 50 times its own weight and pull 30 times its weight?
According to many sites like this one, an ant can apparently lift 50 times its own weight and pull 30 times its weight. Is it true?
Can it be proved using physics? Though most sites agree that an ...
1
vote
2answers
398 views
How does length of the bar affect force on the muscles?
Fitness Model, Rob Riches, claims that doing bicep curls with Olympic bars is different than lifting with normal bars.
Biceps have always been a favorite muscle group of mine to train, but
...
6
votes
2answers
548 views
What physical forces pull/press water upwards in vegetation?
Each spring enormous amounts of water rise up in trees and other vegetation. What causes this stream upwards?
Edit: I was under the impression that capillary action is a key factor: the original ...
