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# 4 Types of Friction

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## Dian Tran

on 22 January 2014

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#### Transcript of 4 Types of Friction

4 Types of Friction
By:
Bodure Y.
Lamya A.
Shehrin F.
Fatimah T.
1/22/2014
Friction that is working on objects that aren't in motion.
Its important to have static friction because if you are standing,
static friction is acting on you, you will not fall.
If you want to move something you have to have a
force greater than the static friction.

providing knowledge one block at a time
Sliding Friction
Fluid Friction is when a solid object moves through fluid/air.
Its fun to have fluid friction because
you can do many water/air sports.
Ex: Water skiing, surfing, swimming, kite flying, bungee diving
A challenge dealing in with fluid friction is that it is not controllable at times. For example, if you wanted to fly a kite, but fluid friction is in the way of flying your kite.

Fluid Friction
Rolling Friction
Static Friction
THANK YOU FOR LISTENING
When an object rolls across a surface.
When you want to skateboard, you need rolling friction
so you could ride the skateboard.
A challenge dealing with rolling friction that
it is difficult to stop a rolling friction.
Sliding Friction occurs when 2 solid surfaces slide over each other. When you want to slide down a slide, sliding friction acts between you and the slide.
Ballet dancers apply a sticky powder to the sole of their ballet slippers so sliding friction won't act upon them, because or else while dancing they will slip.
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