Friction

:This article is about the resistive force. For the Japanese rock band FRICTION, see Friction (band).

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

In physics, friction is the non-conservative resistive force that occurs when two surfaces travel along each other when forced together. It causes physical deformation and heat buildup.

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

The frictional force is a function of the force pressing the surfaces together and the coefficient of friction between the materials. In particular:

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

: F_f = F_pmu_f ,

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

where

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

:Ff is the force of friction

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

:Fp is the force perpendicular to the contact surface (usually called the normal force)

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

:μf is the coefficient of friction.

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

Physics: Physics (from the Greek, φυσικός (phusikos), "natural", and φύσις (phusis), "nature") is the science of the natural world in the broadest sense, dealing with matter and energy and the fundamental forces of nature that govern the interaction...

Conservative: REDIRECT Conservatism...

Resistive force: In physics, a resistive force is a force that acts on a body due to its motion relative to other bodies with which it is in contact, whose direction is opposite to the velocity of the body (or in static friction, opposite to the sum of the other forces)....

Friction related Images and Photos (experimental)

Friction Moon Rocket