Is friction a reaction force?

Subject: Is friction a reaction force?

Date: Sun Apr 12 03:46:24 1998
Posted by Stephen Lau
Grade level: undergrad
School: No school entered.
City: H.K State/Province: No state entered.
Country: No country entered.
Area of science: Physics
ID: 892370784.Ph

Message:


Is friction a reaction force? Friction relates to the pressure and the 
materials, but does it relate to the speed of the object? When the 
object is faster, will the friction become larger? The direction of 
the friction is opposite to the motion of the object, why does the 
friction relate to the pressure which direction is downward and not to 
the force of the object?

Re: Is friction a reaction force?

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