Question: 2 - 1 1 . 4 . F is a 4 0 0 - l b force directed from A ( 2 , 1 ,

2-11.4.F is a 400-lb force directed from A(2,1,-4) to B(4,4,1).(a) Find the moment of F about the origin and the magnitude of this moment. (b) Find the moment of F about the point C(3,4;2) and its moment arm from C.(c) Find the moment arm of F about the axis passing through the origin and point C.
2 - 1 1 . 4 . F is a 4 0 0 - l b force directed

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