Questions tagged [bio-mechanics]

The study biological systems in regards to their ability to apply and respond to mechanical forces.

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5
votes
0answers
55 views

How does trees know to balance themselves so that they never fall down [duplicate]

Well i was flying kites today I saw a tree and its branches were spread around in random directions... I would like to know that how do these trees know to nourish their branches in some direction so ...
8
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2answers
10k views

How do marine mammals control buoyancy?

Presumably, as a whale or seal dives, its lungs get compressed by the increasing water pressure, and it gets less buoyant. Under this model, for a given amount of air taken in at the surface, the ...
18
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1answer
3k views

How fast can a human run?

I'm a runner (cross country) and I'm always amazed at how fast Olympic sprinters are. There's a lot of hype about those in the 100-meter dash being the fastest in the world, and we're constantly ...
2
votes
0answers
93 views

force required to do damage to child's leg/feet in collision [closed]

I'm currently working on a toy robot for a student project. Part of this robot is the fact that it will be moving around quite fast. As such hitting the child can and most likely will happen. As such ...
4
votes
2answers
2k views

What are the buoyancy control mechanisms of Chambered nautilus?

I'm currently working on an underwater robot and was hoping to use the principle used by the nautilus for buoyancy control. So how do the Chambered nautilus control its buoyancy?
0
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2answers
564 views

Can jellyfish swim backwards?

Jellyfish use jet propulsion to move forward, according to http://earthsky.org/earth/how-do-jellyfish-swim. Otherwise, they drift with the ocean currents. Does this mean that, without the presence of ...

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