Equations02 - x i B y j B z k then r AB = r B" r A and...

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Equations ( Lecture 2 ) Dot product: A B = AB cos " = A x B x + A y B y + A z B z If the position vector of A is r A = A x i + A y j + A z k , and the position vector of B is r B = B x i +
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Unformatted text preview: x i + B y j + B z k , then r AB = r B " r A and u AB = r AB / r AB • Resolve a force F along a line r AB : u AB • F...
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