A force F having a magnitude of F = 115 N acts along the diagonal of the paralle
ID: 2127684 • Letter: A
Question
A force F having a magnitude of F = 115 N acts along the diagonal of the parallelepiped. Determine the moment of F about point A, using MA =rB x F and MA =rC x F. with a quick search you can find two other questions very similar to this, if they help you - easy points. but this is for an online assignment, so the answer needs to be exact.
A force F having a magnitude of F = 115 N acts along the diagonal of the parallelepiped. Determine the moment of F about point A, using MA =rB x F and MA =rC x F. with a quick search you can find two other questions very similar to this, if they help you - easy points. but this is for an online assignment, so the answer needs to be exact.Explanation / Answer
It is clear from the figure that F= 115 *(-0.4 i + 0.6 j +0.2 k )/ sqrt( 0.4^2+0.6^2+0.2^2) = 115* (-0.53 i+ 0.80 j + 0.26 k)N rB= - 0.6 j m rC= -0.4 i + 0.2 k m MA =rB x F = - 0.6 j x 115* (-0.53 i+ 0.80 j + 0.26 k)N = (36.57 k + 17.94 i ) Nm
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