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Unformatted text preview: Physics 102 Lecture 1 Slide 1 Department of Physics, University of Arizona Lecture 1: Describing Motion Motivation: Relevant to driving a car, riding a bicycle etc. Build mathematical foundation for further study of motion and mechanics Objectives: Learn definitions, both numerically and graphically, of displacement, average velocity and instantaneous velocity Use those definitions to calculate distances or elapsed times Graphically sketch distance and velocity as a function of time Physics 102 Lecture 1 Slide 2 Department of Physics, University of Arizona Lecture 1: Describing Motion Mechanics: Study of the motion of an object and how this motion is affected by other objects and forces Basic Quantities and Units: Mass (kg) Length (m) Time (s) More complicated quantities are built from combinations of basic quantities: e.g., velocity = (length) / (time) (m/s) force = (mass) (length) / (time) 2 (kg m / s 2 ) Mass: a measure of the amount of matter in an object Weight: a measure of the force of gravity on an object...
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 Spring '08
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 mechanics

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