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OMG Snow?


CanucksFan415

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Do you even know what friction means? Friction doesn't make the car slide like you say, it makes it stop or go slow.

Ice is slippery, I can't believe you actually deny that.

I see you haven't finished high school.

Seriously, this is Math10 stuff.

Edited by legallyillegal
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Ok kids, pay attention. Ice is not a zero-friction surface.

Curling! Why do curlers sweep in front of the rock? Brushing dirt away? No, the sweeping melts a very thin layer of ice into water. The rock will slide farther. For example, a throw with no sweeping might get to the top of the circle. The exact same throw with sweeping might completely overshoot the circle entirely.

Still think ice is naturally slippery?

Thermablades! I'm sure you know about them. They warm up the blade by a few degrees, in turn melting a thin layer of ice into water. Sound familiar? Thermablades glide farther than regular blades.

Still think ice is naturally slippery?

Ski wax! I bet you think ski wax makes skis slippery. It's actually the opposite. The wax creates friction, which in turns melts a thin layer of ice (in this case, ice in crystal form i.e. snow) into water. The skis glide over this layer of water. Ever wondered why a waxed ski glides farther and goes faster than an unwaxed ski?

Still think ice is naturally slippery?

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Ok kids, pay attention. Ice is not a zero-friction surface.

Curling! Why do curlers sweep in front of the rock? Brushing dirt away? No, the sweeping melts a very thin layer of ice into water. The rock will slide farther. For example, a throw with no sweeping might get to the top of the circle. The exact same throw with sweeping might completely overshoot the circle entirely.

Still think ice is naturally slippery?

Thermablades! I'm sure you know about them. They warm up the blade by a few degrees, in turn melting a thin layer of ice into water. Sound familiar? Thermablades glide farther than regular blades.

Still think ice is naturally slippery?

Ski wax! I bet you think ski wax makes skis slippery. It's actually the opposite. The wax creates friction, which in turns melts a thin layer of ice (in this case, ice in crystal form i.e. snow) into water. The skis glide over this layer of water. Ever wondered why a waxed ski glides farther and goes faster than an unwaxed ski?

Still think ice is naturally slippery?

Yes, and what I dont get is why you wont accept it.

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I pray for the temps to rise and the snow to melt by Monday... I don't want to be a frozen Hermit for my routine Ducks autograph stakeout outside GM Place...

Wishful thinking...I think the cities gonna be screwed come monday.

edit:..10-15 cm??!?! (They said 30-50 cm earlier)...oh well if I have to walk there, I will...

Edited by The Money Shot
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Ok kids, pay attention. Ice is not a zero-friction surface.

Curling! Why do curlers sweep in front of the rock? Brushing dirt away? No, the sweeping melts a very thin layer of ice into water. The rock will slide farther. For example, a throw with no sweeping might get to the top of the circle. The exact same throw with sweeping might completely overshoot the circle entirely.

Still think ice is naturally slippery?

Thermablades! I'm sure you know about them. They warm up the blade by a few degrees, in turn melting a thin layer of ice into water. Sound familiar? Thermablades glide farther than regular blades.

Still think ice is naturally slippery?

Ski wax! I bet you think ski wax makes skis slippery. It's actually the opposite. The wax creates friction, which in turns melts a thin layer of ice (in this case, ice in crystal form i.e. snow) into water. The skis glide over this layer of water. Ever wondered why a waxed ski glides farther and goes faster than an unwaxed ski?

Still think ice is naturally slippery?

Well.....

http://en.wikipedia.org/wiki/Ice#Slipperiness

http://www.nytimes.com/2006/02/21/science/...nyt&emc=rss

But what do we know...right?

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