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Gravity powered devices => Gravity powered devices => Topic started by: iacob alex on July 12, 2019, 11:14:53 PM

Title: Evolving Atwood Machine...
Post by: iacob alex on July 12, 2019, 11:14:53 PM

.....concept (two equal arms , two unequal masses ) ,from :
     http://physicstasks.eu/1751/tricky-atwood-machine
.....to a possible ( self powered ) gravity machine ,at :
     www.geocities.ws/iacob_alex/Some_Drafts/text028.JPG
     Al_ex

Title: Re: Evolving Atwood Machine...
Post by: Delburt Phend on July 13, 2019, 02:21:47 AM

After the .5 kilograms has dropped 1 meter the entire 4.5 kilograms has a velocity of 1.476 m/sec.

This is (4.5 kg * 1.476 m/sec) 6.644 units of momentum.

If .5 kilogram had 6.644 units of momentum it would have a velocity of 13.288 m/sec: and it would rise 9 meters.  From d = ½ v²/a

Only the .5 kilograms was dropped; the center of mass of the 4 kilograms did not change.

Transfer all the motion to the .5 kilograms and the energy increase is at 900%.

Title: Re: Evolving Atwood Machine...
Post by: iacob alex on July 16, 2019, 10:09:54 PM

.....is related to a temporary gravity torque difference  of an Atwood machine (two equal arms of the pulley , two unequal hanging masses ) and the proposal of a possible continuous ("self" working...) gravity lever (two equal masses , two unequal arms) , with a single variable arm.
      Simply...from a wheel(pulley) concept to a cyclical variable lever general idea.
      Al_ex