Colin Donnelly-
Vectors
numbers that have magnitude and direction
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Scalars
numbers that have magnitude only and no direction
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Vector quantities include...
displacement, velocity, acceleration, and force
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Scalar quantities include...
distance, speed, energy, pressure, and mass
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Common notations for a vector quantity are...
either an arrow over the letter or boldface
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Scalar quantities are generally represented with...
italic type
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The magnitude of vectors is indicated with...
absolute value brackets
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The sum or difference of two or more vectors is called the...
resultant of the vectors
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V*cosΘ
x component of a vector
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V*sinΘ
y component of a vector
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tan-1(Y/X)
angle of vector
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Dot product formula A · B
|A| |B| cosθ
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A dot product generates a _____ while a cross product generates a _____
scalar, vector
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Cross product formula A x B
|A| |B| sinθ
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Once we have the magnitude of a dot product, we use the _____ to determine its direction
right-hand rule
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Right hand rule
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Unlike scalar multiplication, which is _____, vector multiplication is _____!
commutative, not commutative
