Physics question

Question

In performing an analysis of the forces acting on an extended object in stable equilibrium, which of the following is true?

A. The pivot point has to be set at the right end of the object.

B. You can choose the pivot point to be wherever is most convenient.

C. It is impossible to choose a pivot point.

D. The pivot point has to be set at the left end of the object.

Answer 1

B. In statics, it takes a little practice and experience to "see" which point is the most convenient to pick. There are a couple of "tips and tricks" that can help making the "smart" choice!