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Home Q & A Board Science-Related Homework Help Physics
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riyadamin riyadamin
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11 years ago
Dot Product
The question is Explain why the calculation (a x b) x c is not meaningful?

The answer is: a x b is a scalar, and a dot product is only defined for vectors.

I dont understand why, isnt a x b  A vector since it has the arrows on the top.
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wrote...
#1
11 years ago
if we denote a vector by <>
and we have and then dot is a scalar number by definition and is equal to mag time mag times the sine of the angle between them.
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