Vectors & Scalars Flashcards by Luke Shafik

Q

Describe Dot Product.

A

|A||B|cosx
Product is a scalar
(Ax • Bx) + (Ay • By) + …

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Q

Describe Cross Product.

A

|A||B|sinx
Result is a vector
(AyBz - AzBy)i + (AzBx - AxBz)j + (AxBy - AyBx)k
Use RHR

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Q

Only one vector has unit of length…

A

displacement

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