Quote:
OK that's what I thought. But it's missing any support in the longitudinal direction.


I didnt draw what the mass that pushes the springs are sliding on.

the springs are attached to the pipe.
the arms push the sliding mass that compresses the springs.


I thought you could just imagine them sliding on a support.

think of a rod that passes through the springs and the masses.



3/4 inch of dust build up on the moon in 4.527 billion years,LOL and QM is fantasy science.