The Bakken Museum in South Minneapolis allows people to learn about the awkward and sometimes painful feeling.

The free-body diagram method is emphasized. Topics include vector algebra, force, moment of force, couples, static equilibrium of rigid bodies, trusses, friction, properties of areas, shear and moment ...

The pin joint does not allow a moment transfer from one tube to another and so they are all either in tension or compression. When the system is in static equilibrium under the applied forces, each ...