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Difference between a vector and a scalar

Jun 20, 2010  ¦¦  by isr.coder  ¦¦  Graphics  ¦¦  47 Comments
A scalar is just a number, and a vector is a number with a direction involved. In the first question, pounds, newtons, and dynes are all *forces*. A force can't exist as just a number; force has to be directed somewhere. 2 kilometers/hour east gives you a number and a direction. The answer a) ...