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Homework Statement
Determine the magnitude of the moment of the force F about the axis CA of the tripod
ABCD, if F = {40i 30j 100k}N.
Image attached.
2. The attempt at a solution
Based on a similar question I found in the textbook my method to solve this question:
Find U_{CA} = r_{CA}/r_{CA} = (2/√8)i + (2/√8)j
Find M_{CA} = U_{CA}.(r_{DC??} * F)
However, I am unsure if the finding the position vector r_{DC} is correct?
Am I going about this the right way?
Please help.
Thanks,
Tim
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