and then go to Home Depot or Lowes and pull their doors on the display
Please vote if you agree with this method so I can selected as the answer or come up with a better way
Also some references
and the code says:
2. Sliding or folding doors: 5 pounds (22.2 N) maximum.
These forces do not apply to the force required to retract latch bolts or disengage other devices that
hold the door or gate in a closed position.
Advisory 404.2.9 Door and Gate Opening Force. The maximum force pertains to the
continuous application of force necessary to fully open a door, not the initial force needed to
overcome the inertia of the door. It does not apply to the force required to retract bolts or to
disengage other devices used to keep the door in a closed position.