Express the force as a Cartesian Vector

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The force F has a magnitude of 80 lb and acts at the
midpoint C of the thin rod. Express the force as a Cartesian
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He messed up, Point B should've been (0, 0, 6), not (1.5, -1, 3)

pmcarone
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Even though he did not put the correct value down for B, which is (0i, 0j, 6k), the answer is correct because the computations only needed point C and the orgin.

abart
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Why would your B and C position vectors be the same values? This makes no sense.

justin
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step 1, find OA in XY plane =square Root( 2^2+3^2), step 2 draw perpendicular on OA, that will bisect OA at point P. step 3 point P in XY plane is (1.5, 1) step 4 find PC from tangle APC = 2.95 step 5 coordinates of point C (1.5i -1j, +2.95k)

basitwani
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GUYS THIS SOLUTION IS NOT CORRECT, THE CONCEPT IS CORRECT BUT HE DID NOT READ THE DIAGRAM CORRECT

abdurrahmanalbiswas