Applied Mechanics and Graphic Statics
The member forces in a statically in determinate truss

May be obtained by graphic statics
Can be obtained by graphic statics by trial and error
Cannot be obtained by graphic statics
Can be obtained by graphic statics

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Applied Mechanics and Graphic Statics
Free body diagram is an

Isolated joint with all the forces, internal as well as external, acting on it
Isolated joint with internal forces acting on it
Isolated joint with only body forces acting on it
None of these

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