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Unformatted text preview: n: magnitude of normal force kinetic or static Force (N)= = kg ( ) 3 Neton’s third law of motion: If two objects interact, the fore exerted on object 1 by object 2 is equal in magnitude but opposite in direction to the force exerted on object 2 by object 1. W: Work or Energy F: Force along the direction of displacement, s : displacement (distance) Work= dynecentimeter(dyne.cm)(erg)=footpound(ft*lb) W=Fs=(ma)s= (Fcos θ )s = kg ( )*m= Newtonmeter=(N*m) =joule(J) Gravitational Potential Energy Hook’s Law: k = spring constant, x = compression in the spring ^ newtons Potential spring energy ^ joules Kinetic energy Conservation of mechanical energy: Linear Gravitational Spring: +mgy Nonconservative energy: 4 Power is the time rate of energy transfer. 5...
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 Spring '09
 Geller
 First Law Of Motion, Force, Mass, Potential Energy, Newton’s Second Law Force

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