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Vector Algebra. 1. Addition: Connect head to tail. +. =. R. 2. Subtraction: Flip the arrowhead, then connect head to tail. R. -. =. 2 Types of vector Multiplication. Dot Product uses cosine and yields a scalar product (used for energy)
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Vector Algebra • 1. Addition: Connect head to tail + = R • 2. Subtraction: Flip the arrowhead, • then connect head to tail. R - =
2 Types of vector Multiplication • Dot Product uses cosine and yields a scalar product (used for energy) • Cross Product use sine and yields a vector (used for torque and magnetic fields)