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Author Topic: "Walking" around a fulcrum...  (Read 836 times)

Offline iacob alex

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"Walking" around a fulcrum...
« on: October 28, 2020, 09:32:48 PM »
..... is a metaphor related to a continuous rotating mass-spring system with a central support/fulcrum.
Let's start with the human inverted pendulum ( mechanical equivalent...) , walking on a horizontal surface , at :
.....then skating on a half-pipe ( concave surface ) , at : a possible full rotating ( not swinging...) mass-spring system , as :
      but this time , as a "self" motion/spinning arm , due to gravity free fall and rotational inertia ( "pumping" spring )!?
      The essence is the sliding mass and the "working" spring...or inertia "assisted" gravity.
« Last Edit: October 29, 2020, 03:21:16 AM by iacob alex »

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"Walking" around a fulcrum...
« on: October 28, 2020, 09:32:48 PM »

Offline iacob alex

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Re: "Walking" around a fulcrum...
« Reply #1 on: June 14, 2021, 11:07:35 PM »
.....if we start with a lot of theory (how to pump a swing...) ,at :
.....but we play it with :
.....initiated at the horizontal line.
     Have we a self-accelerated “game” (lab-demo) ? !
     Nothing more then a minor “substitution” : the human actor ( elastic “body”...) with a spring-sliding mass ( variable pendulum)...or a “minimized robot”.

     All the Best! / Al_ex