What are the physical quantities represented by the physical conservation ports in Simmechanics?

Question

What are the physical quantities represented by the physical conservation ports in Simmechanics? Cf. this picture from the Simscape user guide.

Answer 1

It depends if you refer to the first or second generation SimMechanics. The documentation page on connection ports lists the different types:

The various concepts relating to each type of port is detailed in the SimMechanics documentation. For example, see Representing Frames for what frame ports are all about.