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Friction

Friction

surface resistance to the relative motion of one body against the rubbing, sliding, rolling, or flowing of another with which it is in contact.


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Re: Sound and how the brain reacts to it

... would read us stories in kindergarten. I'd often fall asleep listening to her turn the pages, the way her thumb and finger rub against it and the friction of the fingers makes a sound as the page rises up. I would love it when my mom got these little booklets in the mail that she would skim through. ...

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by Ayyce
Mon Jul 09, 2012 10:31 pm
 
Forum: Human Biology
Topic: Sound and how the brain reacts to it
Replies: 89
Views: 145975

pressure and velocity in blood vessels

in the textbook, it says, "the blood pressure is even lower when it reaches the venules and the vein due to the friction of the capillary wall." However,later it says "The velocity of blood rises slowly again later since the cross sectional area of veins is smaller ...

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by bryanwong
Fri Dec 23, 2011 6:39 am
 
Forum: Human Biology
Topic: pressure and velocity in blood vessels
Replies: 2
Views: 3765

Can you gain more weight than the food you ate weighs?

... burned by not even doing anything. Just eating the lard burns calories. It seems like it's like the calculation for power out = power in - friction. Your calories burned is like the friction.

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by slowbeat
Sat Oct 22, 2011 9:46 pm
 
Forum: Human Biology
Topic: Can you gain more weight than the food you ate weighs?
Replies: 13
Views: 29476

Re: A way to test Evolution

... tendon loads. This differs from menisci, which are made of cartilage and rather act to disperse the weight of the body on joints and reduce friction during movement Is this the

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by Penfire
Wed Aug 04, 2010 9:06 pm
 
Forum: Evolution
Topic: A way to test Evolution
Replies: 5
Views: 8291

How often do mutations occur?

... of the environment and go for a spin, it gets UV exposure to the paint job, dirt from the road gets up into the engine, people inside provide friction to the upholstery. On another trip, it just happens to rain and gets cold towards the end of the trip. Now the car is not all shiny and new. ...

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by kolean
Tue Oct 13, 2009 3:31 pm
 
Forum: Genetics
Topic: How often do mutations occur?
Replies: 16
Views: 20971
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