Saturday 10 August 2013
Friction
This ppt about by following chapter:-
1:-Diffination of friction:-
Friction is
the force resisting the relative motion of solid surfaces, fluid
layers, and material elements
sliding against each other.
2:-Types of Friction:-
1.Dry friction
2.Skin
friction
3.Film
friction
3:-laws of friction:-4:-used in friction:-
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