Review2_3_2009 - Review 2 Using Newtons 1st Law : Particles...

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Unformatted text preview: Review 2 Using Newtons 1st Law : Particles in Equilibrium Particle in equilibrium F = r x F = y F = Using Newtons 2nd Law: Dynamics of Particles Dynamics : the relationship of motion to the forces that cause it F ma = r r x x F ma = y y F ma = : Newtons 2nd Law, vector form : Newtons 2nd Law, component form Frictional Forces Friction: the force that opposes the relative motion or tendency of such motion of two surfaces in contact It is directed opposite to the motion of an object. Static friction : the friction acting on a body when the body is not in motion, but when a force is acting on it. Static friction is the same as the force being applied (because the body isn't moving). Limiting friction : the friction on a body just before it starts moving. Generally, limiting friction is highest. Kinetic friction : the friction which acts on the body when the body is moving. Kinetic friction is usually smaller than limiting friction....
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This note was uploaded on 02/13/2012 for the course RANDOM 100 taught by Professor Idk during the Fall '08 term at Virginia Tech.

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Review2_3_2009 - Review 2 Using Newtons 1st Law : Particles...

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