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(Solved): The force of \( F=55 \) lb acts along the edge \( D B \) of Part A the tetrahedron shown in (Figur ...
The force of \( F=55 \) lb acts along the edge \( D B \) of Part A the tetrahedron shown in (Figure 1). Determine the magnitude of the moment of this force about the edge \( C A \). Express your answer in pound-feet to three significant figures.