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Unformatted text preview: and change of direction. Force is a vector in Newton. Assume object is small particle with mass m. Net force is the vector sum of all forces acting on the object. Newton’s 1 st Law of motion = An object will stay at rest or continue on a constant velocity (straight line motion) unless it is acted upon by a none zero net force (Rest or constant velocity). Mass= the quantity to measure object’s inertia The standard unit of mass is kilogram Inertial reference frame is the coordinate system which has zero net force Newton’s Second Law – the changes of an objects momentum is equal to the net force acting on it...
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This note was uploaded on 05/22/2008 for the course PHYS 151Q taught by Professor Wang during the Spring '08 term at UConn.
 Spring '08
 WANG
 Force

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