Lecture2_PhysicsRefresher

Lecture2_PhysicsRefresher - EAS 1600 Physics Refresher The...

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EAS 1600 Physics Refresher 8/20/08 The posted lecture outlines physical concepts and definitions that all students need to know. In addition, during this lecture the instructor will answer questions from students and go over some example problems.
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Galileo Galilei (1564 - 1642) • large role in birth of modern science • used observational evidence to support heliocentric (sun-centered) model of solar system • laid foundation of physics description of motion
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Definitions 1. Velocity : describes speed and direction of motion (a "vector" quantity)[ units: distance / time (m/s)] 2. Acceleration : describes the change of velocity of an object [ units: distance / time 2 (m/s 2 )]
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Isaac Newton (1642 - 1727) Described the causes of motion - Classical Mechanics or Newtonian Mechanics Newton introduced concept of "FORCE" - interaction of two or more objects - can either push or pull each other
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Newton's First Law (Law of Inertia) • An object will maintain uniform motion (const. speed & dir.) unless acted upon by a net (resultant) force • It requires a force to: Speed Up, Slow Down, Change Direction
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This note was uploaded on 02/08/2011 for the course EAS 1600 taught by Professor Jimstjohn during the Fall '08 term at Georgia Tech.

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Lecture2_PhysicsRefresher - EAS 1600 Physics Refresher The...

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