Re: [Phys-l] A different normal force. Was: Re: The Normal Force

["Richard A. Lindgren" <ral5q@virginia.edu>]

Yes.
That is what I had i mind,
RAL

On Fri, 25 May 2007 13:23:45 -0400
 "LaMontagne, Bob" <RLAMONT@providence.edu> wrote:
> Same difference! Take the derivative of the vy equation. Theta is a 
> constant. I think you are correct, it's easier to see the logic using the 
> velocity components.
>
> Bob
>
>
> -----Original Message-----
> From: phys-l-bounces@carnot.physics.buffalo.edu on behalf of Richard A. 
> Lindgren
> Sent: Fri 5/25/2007 11:04 AM
> To: Forum for Physics Educators
> Subject: Re: [Phys-l] A different normal force. Was: Re: The Normal Force
>
> Bob,
>
> What is the simple logic for writing down the following equation without 
> getting into LaGrangians.
> ay = (ax + Ax) tan
>
> How about
> vy= (vx+Vx) tan
>
> Thanks.
>
> RAL
>
>
>
>
> On Fri, 25 May 2007 09:22:18 -0400
>  "Bob Sciamanda" <trebor@winbeam.com> wrote:
> > This situation is worked as an example of Lagrangian mechanics in 
> > section 10.4 of the second edition of Fowles' "Analytic Mechanics". 
> > The chosen generalized coordinates are the horizontal displacement of 
> > the wedge and the displacement of the particle along the wedge ramp.
> >
> > Bob Sciamanda
> > Physics, Edinboro Univ of PA (Emeritus)
> > www.winbeam.com/~trebor
> > trebor@winbeam.com
> > ----- Original Message ----- 
> > From: "Bernard Cleyet" <bernardcleyet@redshift.com>
> > To: "Forum for Physics Educators" <phys-l@carnot.physics.buffalo.edu>
> > Sent: Thursday, May 24, 2007 5:59 PM
> > Subject: [Phys-l] A different normal force. Was: Re: The Normal Force
> > | . . .
> >
> > | | A wedge sits on a frictionless surface and a particle sits on the
> > | slopping surface of the wedge, w/ mass m  (wedge is mass M).  Find 
> > the
> > | reaction force as a function of the masses and the angle of the 
> > wedge.
> > | I tried the PE - KE (looks as it'll work, but just got too harry (70
> > | repeating).  So I switched to trying to fine the general cords. for 
> > the
> > | L.  And got stuck.  Anyone help?
> > | . . .
> > | bc
> >
> > _______________________________________________
> > Forum for Physics Educators
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>
> Dr. Richard A. Lindgren
> Research Professor of Physics and
> Director of Masters of Arts in Physics Education Program
> Institute of Nuclear and Particle Physics
> Department of Physics
> University of Virginia
> P.O. Box 400714
> Charlottesville, VA 22904-4714
> UVa Office 434-982-2691
> JLab Office 757-269-6233
> Cell           434-227-0884
> Home        434-977-2825
> Fax           434-924-4576
> email  ral5q@virginia.edu
> _______________________________________________
> Forum for Physics Educators
> Phys-l@carnot.physics.buffalo.edu
> https://carnot.physics.buffalo.edu/mailman/listinfo/phys-l

Dr. Richard A. Lindgren
Research Professor of Physics and
Director of Masters of Arts in Physics Education Program
Institute of Nuclear and Particle Physics
Department of Physics
University of Virginia
P.O. Box 400714
Charlottesville, VA 22904-4714
UVa Office 434-982-2691
JLab Office 757-269-6233
Cell           434-227-0884
Home        434-977-2825
Fax           434-924-4576
email  ral5q@virginia.edu