STATICS | Chapter 2 | 2/107 | 6th Edition | 3-D Rectangular Components | Engineers Academy

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Chapter 2: Force Systems:
Topic: 2/7 3-Dimensional Force Systems
STATICS | Chapter 2 | 2/107 | 6th Edition | 3-D Rectangular Components | Engineers Academy
2/107 The tension in the supporting cable AB is 10 kN.
Write the force which the cable exerts on the boom
BC as a vector T. Determine the angles x, y, and
z which the line of action of T forms with the positive x-, y-, and z-axes.

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i used my orgin as C. and my A(4, 0, 5) and B(0, 7.5, 0). and my T=-4.056i+7.60j-5.070k. can u tell me what part i messed up. is my cordinates wrong?

crypto
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Could you please explain why the origin is moved? I used point C as my origin, so subtracting a from b I ended up with the negative of your force equation. Many thanks.

TheOnlyMosesMalone
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Why, to find the unit vector of BA and not AB

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