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Find the moment about axis AC

  • Thread starter Colts
  • Start date
  • #1
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Homework Statement


http://session.masteringengineering.com/problemAsset/1127287/7/Probs._454_55.jpg
Find the moment about the axis AC. F=<7,12,-6>


Homework Equations


MomentAC = Uac dotted with (Rab X F)
Uac is the unit vector from a to c


The Attempt at a Solution


Uac=<.8,.6,0>
Rab=<4,3,-2>
F=<7,12,-6>
Rab X F =<6,-10,0>
MomentAC=4.8-6
=-1.2
MomentAC*Uac=<-.96,-.72,0>
 

Answers and Replies

  • #2
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Can anyone help?
 
  • #3
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Anyone?
 

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