how do i make a perpetual motion machine?

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-- how do i make a perpetual motion machine?

Posted by bubble on Dec-25-2005 03:03:

how do i make a perpetual motion machine?

any ideas?

Posted by dyne on Dec-25-2005 04:14:

sod the laws of thermodynamics, just use a lot of Crisco.

Posted by Purple on Dec-25-2005 15:47:

What does this machine do?

Posted by Dr. Cfire on Dec-29-2005 20:03:

bubble get in here!

In TA we obey the LAWS OF THERMODYNAMICS!

Posted by SyPsych0 on Jan-24-2006 22:44:

In theory, it is easy. Just use scholar physics. In scholar physics we do not calculate the friction in common models, cos it is difficult to determine exact amount of the friction (There are so many influneces like air pressure, the friction of surrounding obejcts), if we want to be strictly accurate, we should also calculate the gravity of other obecjts around our model object (also the gravity of Earth). So in cholar physics we ignore the friction and the only problem of prepetum moblie (prepetual motion mechine) is the exitence of frition (cos the friction causes all objects slowly or quickly deccelerate when no external energy is added to it, e.g. u need some external force to keep the car moving, the moment u stop supplying the car with this force, the car will deccelerate - make sense )
So, if we use the scholar physics we can solve the problem of prepetum mobile, cos there is no friction and in calculations the machine will move forever. Of course, there is one porblem: The scholar physics doesnt work in real world
(For other questions contact ur teacher of physics :P )

Posted by rollypoles on Jan-28-2006 10:36:

Re: how do i make a perpetual motion machine?

you don't............

Posted by Dr. Cfire on Feb-13-2006 06:35:

quote:
Originally posted by SyPsych0
In theory, it is easy. Just use scholar physics. In scholar physics we do not calculate the friction in common models, cos it is difficult to determine exact amount of the friction (There are so many influneces like air pressure, the friction of surrounding obejcts), if we want to be strictly accurate, we should also calculate the gravity of other obecjts around our model object (also the gravity of Earth). So in cholar physics we ignore the friction and the only problem of prepetum moblie (prepetual motion mechine) is the exitence of frition (cos the friction causes all objects slowly or quickly deccelerate when no external energy is added to it, e.g. u need some external force to keep the car moving, the moment u stop supplying the car with this force, the car will deccelerate - make sense )
So, if we use the scholar physics we can solve the problem of prepetum mobile, cos there is no friction and in calculations the machine will move forever. Of course, there is one porblem: The scholar physics doesnt work in real world
(For other questions contact ur teacher of physics :P )

himm intersting

Then here is my plans for a prepetual motion machine (Dont steal my shit)

and simulation of operation:

code:MATLAB code
close all; clear all; clc;
B=0;    %friction Ns/m
M=0.9;  %Mass of Load Kg
K=700;  %Spring N/m

b0=M;
a0=K*M;
a1=B*M;
a2=1;

n = [b0];
d = [a2, a1 ,a0];
[A p k]=residue(n,d);

MAG=abs(A(1));
sigma=real(p(1));
omega=imag(p(1));
phi=atan((imag(A(1))/real(A(1)))+(pi/2));

t=0:0.01:3;
va=0:0.01:3;
for k=1:1:301
    va(k)=2*MAG*exp(sigma*t(k))*sin(omega*t(k)+phi);
end
plot(t,va)

Posted by Purple on Feb-17-2006 08:45:

This looks fucking awesome !

Posted by Lepanto on Feb-17-2006 14:50:

you cane make them out of magnets with opposite sides to each other no?

Posted by Purple on Feb-22-2006 12:11:

quote:
Originally posted by Lepanto
you cane make them out of magnets with opposite sides to each other no?

No, its not that simple, making a perpetual motion machine is more complex that cloning Tiesto.

Posted by Lepanto on Feb-22-2006 17:55:

quote:
Originally posted by Purple
No, its not that simple, making a perpetual motion machine is more complex that cloning Tiesto.

surely you mean "than" and you don't even know what a perpetual motion machine is.

Posted by SyPsych0 on Feb-22-2006 22:26:

quote:
Originally posted by Lepanto
surely you mean "than" and you don't even know what a perpetual motion machine is.

But he is right about that it is not that simple :P

Posted by Lepanto on Feb-22-2006 22:37:

quote:
Originally posted by SyPsych0
But he is right about that it is not that simple :P

hehe ofcourse not.

Posted by robin on Mar-01-2006 18:55:

I saw this video once of a wheel, surrounded by magnets, spinning like mad (accelerating/decelarating at will be moving the magnets closer/further from the wheel)

Why doesn't that work?

perpetual motion machine = an endless motion right? (which isn't really possible as some of the energy put in to the machine will always get lost in some form of friction or whatever).. but what was the story on the magnet wheel?

Posted by prothoid on Mar-06-2006 11:30:

quote:
Originally posted by robin
I saw this video once of a wheel, surrounded by magnets, spinning like mad (accelerating/decelarating at will be moving the magnets closer/further from the wheel)

Why doesn't that work?

perpetual motion machine = an endless motion right? (which isn't really possible as some of the energy put in to the machine will always get lost in some form of friction or whatever).. but what was the story on the magnet wheel?

maybe it does succumb to friction, just very slowly.