Chapter 02a

# Chapter 02a - Chapter 2A Kinematics - The Study of Motion...

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Chapter 2A 1 Kinematics - The Study of Motion We will begin by studying motion in one dimension (motion in a straight line). Our objectives: Learn the terms that describe motion Learn how these terms are related

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Chapter 2A 2 Position or Location An object’s position can be specified as a distance from some reference point. This is the same as giving its coordinate value along an axis. + x x = 0 x f (time = t f ) x i (time = t i )
Chapter 2A 3 Displacement An object’s displacement ( x ) is the change in its position between two times. Units: [ length ] ( SI units: meter (m) ) Displacement “distance traveled” Displacement is a vector quantity, “distance traveled” is not + x x = 0 x f (time = t f ) x i (time = t i ) x = x f - x i

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Chapter 2A 4 Vectors Vector quantities have both magnitude and direction . Vectors are represented graphically with arrows. Length of arrow magnitude of vector Direction of arrow = direction of vector
5 Velocity An object’s

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## This note was uploaded on 04/28/2008 for the course PHY 111 taught by Professor Scott during the Winter '07 term at Saginaw Valley.

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Chapter 02a - Chapter 2A Kinematics - The Study of Motion...

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