The video at the end of this page, and the discussion before it, show how little force is required to keep a train moving. A very strong man can move a 70-ton l

The video at the end of this page, and the discussion before it, show how little force is required to keep a train moving. A very strong man can move a 70-ton locomotive: https://www.nscale.net/forums/showthread.php?26818-Could-an-adult-push-a-real-rail-car-on-a-level-track https://www.nscale.net/forums/showthread.php?26818-Could-an-... Or a person can start a single rail vehicle moving using a lever under a wheel, by hand: https://www.aldonco.com/store/p/198-Manual-Car-Mover-with-guard.aspx https://www.aldonco.com/store/p/198-Manual-Car-Mover-with-gu... Using one: https://www.youtube.com/watch?v=7W8c_jMVYAs https://www.youtube.com/watch?v=7W8c_jMVYAs