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Unformatted text preview: ( ) B A B A + =( ) A B A B =+ • If a vector A is multiplied by a positive scalar quantity m , the product vector m A has the same direction and the magnitude mA . • If A is multiplied by –m , the vector –m A is pointing in the opposite direction of A . 5 • Unit vectors have magnitude 1 and have no dimension. • Adding and subtracting arithmetically: 6 • Three dimensions are difficult to draw. • Go arithmetic …...
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 Spring '09
 Ragan
 Addition, Cartesian Coordinate System, Scalar quantity, product vector mA, positive scalar quantity

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