lecture3 - 1 Physics 1D03 - Lecture 3 Vectors Vectors •...

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Unformatted text preview: 1 Physics 1D03 - Lecture 3 Vectors Vectors • Scalars and Vectors • Vector Components and Arithmetic • Vectors in 3 Dimensions • Unit vectors i , j , k Serway and Jewett Chapter 3 Practice Problems: Chapter 3, problems 9, 23, 31, 49, 55 Physics 1D03 - Lecture 3 Physical quantities are classified as scalars, vectors, etc. Scalar : described by a real number with units examples : mass, charge, energy . . . Vector : described by a scalar (its magnitude ) and a direction in space examples : displacement, velocity, force . . . Vectors have direction, and obey different rules of arithmetic. 2 Physics 1D03 - Lecture 3 Notation • Scalars : ordinary or italic font ( m , q , t . . .) • Vectors : - Boldface font ( v , a , F . . .)- arrow notation - underline (v , a , F . . .) • Pay attention to notation : “constant v ” and “constant v ” mean different things! .) . . F , a , v ( r r r Physics 1D03 - Lecture 3 Magnitude : a scalar, the “length” of a vector....
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This note was uploaded on 11/08/2010 for the course PHYSICS PHYSICS 1D taught by Professor Mckay during the Spring '09 term at McMaster University.

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lecture3 - 1 Physics 1D03 - Lecture 3 Vectors Vectors •...

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