Physic-2 - n: magnitude of normal force kinetic or static...

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Newton’s first law of motion: An object at rest remains at rest, and an object in motion continues in motion with constant velocity (that is, constant speed in a straight line), unless it experiences a net external force. No external force or acceleration: X=d=* t V is constant velocity. with down ward motion 1mile= 1.609km= 1609m=5280ft = initial velocity, = velocity at time t after = constant acceleration, = initial distance, = distance at time t = 0 unless specified. ; ; 1
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, :Centripetal acceleration, r = radius, 2
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Newton’s Second Law 1 N =0.225 lb The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Force ( N )= = kg ( ) m: Mass (kg), a: Acceleration , g: Gravitational acceleration (9.8) w eight of the object (N)= = kg ( ) μ : coefficient of kinetic/ static friction,
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Unformatted text preview: n: magnitude of normal force kinetic or static Force (N)= = kg ( ) 3 Netons 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= dyne-centimeter(dyne.cm)(erg)=foot-pound(ft*lb) W=Fs=(ma)s= (Fcos )s = kg ( )*m= Newton-meter=(N*m) =joule(J) Gravitational Potential Energy Hooks Law: k = spring constant, x = compression in the spring ^ newtons Potential spring energy ^ joules Kinetic energy Conservation of mechanical energy: Linear Gravitational Spring: +mgy Non-conservative energy: 4 Power is the time rate of energy transfer. 5...
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This note was uploaded on 04/15/2009 for the course PHYS phys6b taught by Professor Geller during the Spring '09 term at UCSB.

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Physic-2 - n: magnitude of normal force kinetic or static...

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