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PHY2048_09-21-09

# PHY2048_09-21-09 - Chapter 6 Force& Motion II Lecture 12...

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Unformatted text preview: Chapter 6: Force & Motion II Lecture 12 9/21/09 Friction: f Goals for this Lecture: Describe the frictional force between two objects. Differentiate between static and kinetic friction, Study the properties of friction, and ... Introduce the coef¡cients for static and kinetic friction. Friction: f Goals for this Lecture: Describe the frictional force between two objects. Differentiate between static and kinetic friction, Study the properties of friction, and ... Introduce the coef¡cients for static and kinetic friction. ! Friction: f When do we deal with the force of friction: Whenever there is contact between surfaces Rough surface = more friction Slipper surface = less friction Application point: At the contact point or surface between two objects Direction: Parallel to the contact surfaces and Opposite to the direction of relative (or attempted) motion ! F drag ! f friction ! f friction !...
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PHY2048_09-21-09 - Chapter 6 Force& Motion II Lecture 12...

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