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1-1. Three force vectors...

1-1. Three force vectors (U, V, W) all act on an object. The values of the two vectors are known:

U = 5i − 3j +2k (kN)

V = −3i +j-k (kN)

If the entire system is in equilibrium, calculate the following values. Express your answers

in exact form.

(a) W

(b)

W

(c) the direction cosines for W.

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