"Ned Simmons" wrote: And to carry this a bit further, the wire in a typical
torsion spring is primarily subject to bending, i.e., it's a coiled up
beam.
^^^^^^^^^^^^^
Let's unscramble this a little. A "torsion spring" is an elastic bar
subject to twisting--not bending. A "coil spring" is a torsion spring that
has been wound into a helix for compactness. A "leaf spring" is a beam in
bending.