The vector lab required you to make two drawings one adding vector A to vector B and comparing the result, vector B+A, to vector C. This result points from the origin (the knot) to the end of the vector A that you stuck onto to vector B It should be a vector as long as C ( i.e. the same magnitude of force) pointed in the opposite direction, but don't fake it.
The next drawing required you to add vector B to vector A and then add vector C to the end of the vector B that you just placed on the end of vector A.
Note that vectors do not add as simple numbers. While vector A + vector B may add to - vector C it does not mean that magnitude of A + magnitude of B equal magnitude of C.
In your drawings you may think of magnitude as length although the length stands for force strength.
Tuesday, November 6, 2007
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