I'm not sure I want another stab at a simplified response. I might complicate things more.
Maybe a wheel barrow is too complicated for some.
Keep thinking. Maybe you will get it one day.
I wonder why panic has the handle "panic"?? I edited that line for you panic. It now reads "The ability of the piston in an engine to go faster in its bore (the track), requires a longer stroke."
I choose the Cummins Jerry....and I believe in gravity.
