Discussion on: 004 Components of a 3D force with given angles

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Osama Dar
Osama Dar's picture
Discussion on: 004 Components of a 3D force with given angles

Following is a discussion on the Reviewer item titled: 004 Components of a 3D force with given angles. Feel free to add your own comments!

Osama Dar
Osama Dar's picture

screenshot_3.pngwhy is the sum of squares of direction cosines of all given angles not equal to 1?

Jhun Vert
Jhun Vert's picture

Maybe you used 40° for θx. Note that θx is the angle between vector A and the the x-axis. From the figure, the 40° angle is not from vector A.

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