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November 01, 2025, 09:23:46 am

Author Topic: Non-Uniform Circular Motion  (Read 2429 times)  Share 

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Vincezor

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Non-Uniform Circular Motion
« on: June 12, 2011, 01:23:47 pm »
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I was wondering if anyone could confirm these formulas are correct?

At top:
-Outside loop:    
-Inside loop:   

At Bottom:   


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Halil

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Re: Non-Uniform Circular Motion
« Reply #1 on: June 12, 2011, 01:30:21 pm »
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Not sure about Inside loop when at the top but others correct
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onur369

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Re: Non-Uniform Circular Motion
« Reply #2 on: June 12, 2011, 01:31:38 pm »
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Fc being Centripetal force?
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Vincezor

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Re: Non-Uniform Circular Motion
« Reply #3 on: June 12, 2011, 01:37:19 pm »
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yawho

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Re: Non-Uniform Circular Motion
« Reply #4 on: June 12, 2011, 02:13:23 pm »
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speed determines T/F

talons

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Re: Non-Uniform Circular Motion
« Reply #5 on: June 12, 2011, 02:16:02 pm »
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Yes its correct

b^3

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Re: Non-Uniform Circular Motion
« Reply #6 on: June 12, 2011, 02:21:56 pm »
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Not sure about Inside loop when at the top but others correct

Yeh isn't it fnet=N+W insdie the top of the loop?
since gravity is acting down and the normal is down aswell since the track is above you or is that not correct?
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yawho

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Re: Non-Uniform Circular Motion
« Reply #7 on: June 12, 2011, 02:22:33 pm »
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at the top those equations are correct at low speed. They are wrong at high speed.

At the bottom, you need equations for inside and outside. It is correct for inside.

luffy

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Re: Non-Uniform Circular Motion
« Reply #8 on: June 12, 2011, 02:25:05 pm »
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at the top those equations are correct at low speed. They are wrong at high speed.

At the bottom, you need equations for inside and outside. It is correct for inside.

I don't get what you mean :S. How is it possible to be 'outside' at the bottom of a loop?
« Last Edit: June 12, 2011, 04:47:01 pm by luffy »

yawho

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Re: Non-Uniform Circular Motion
« Reply #9 on: June 12, 2011, 02:28:46 pm »
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consider a plane doing a vertical circle upsidedown at the bottom

hakke

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Re: Non-Uniform Circular Motion
« Reply #10 on: June 12, 2011, 02:28:51 pm »
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wat do u mean by inside loop/outside loop? as in inside/outside of the circle?

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Re: Non-Uniform Circular Motion
« Reply #11 on: June 12, 2011, 02:30:50 pm »
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yes outside the circle, inside loop is like the cart in a rollercoaster track where as outside the look is like going over a speed bump.
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Vincezor

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Re: Non-Uniform Circular Motion
« Reply #12 on: June 12, 2011, 03:06:17 pm »
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at the top those equations are correct at low speed. They are wrong at high speed.

At the bottom, you need equations for inside and outside. It is correct for inside.

Could you explain a bit further? Even better, do you have examples/formulae for each instance? :D
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jinny1

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Re: Non-Uniform Circular Motion
« Reply #13 on: June 12, 2011, 03:12:07 pm »
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at the top those equations are correct at low speed. They are wrong at high speed.


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thatisanote

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Re: Non-Uniform Circular Motion
« Reply #14 on: June 13, 2011, 02:05:18 pm »
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Not sure about Inside loop when at the top but others correct

Yeh isn't it fnet=N+W insdie the top of the loop?
since gravity is acting down and the normal is down aswell since the track is above you or is that not correct?

Yeh is it N=Fc+Fg inside at the top?

And what is the equation for outside the circle at the bottom?

Edit: I think that the equations are:
Top:
Outside: n=Fg-Fc
Inside: N=Fc-Fg (or is it Fc+Fg?)
Bottom
outside:N=Fc-Fg
inside:N=Fc+Fg
« Last Edit: June 13, 2011, 02:17:49 pm by thatisanote »
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