Discussion01

# Discussion01 - Office Hours Monday and Tuesday from 11:15...

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Vectors General Physics I Mechanics Racquetball Striking a Wall Physics 140 Mt. Etna Stewart Hall

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I WANT YOU TO ASK QUESTIONS!
Vector Operations Sum : vector + vector = vector Multiplication by a scalar : (scalar)(vector) = vector Scalar product (dot product): vector · vector = scalar Vector product (cross product): vector × vector = vector – Magnitude Direction – right-hand rule θ cos AB = B A r r θ sin AB = × B A r r

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Physical examples Sum : The total force acting on a body is the vector sum of all forces acting on it Scalar (dot) product : Work done by a force on a body is the dot
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