The Lee-Tseung Lead Out Theory

[Koen1]

racism is cool.

Is it?  And why bring up racism in the first place?

I fail to see the relevance though? The louder you guys yell and stomp your feet to drown out Tseung,

"drown out" Tseung? Have you seen the size of this thread?

the more convinced I am that he may possibly be right,

Well obviously everyone is convinced of the existence of the possibility of him being "right", or rather having a valid point. Problem is he has not been able to produce any proof besides his own theory, and of course a theory cannot
be proven by itself, that's circular reasoning and invalid logic. We have been asking him to show some actual experimental results that prove his claims,
and to this day he has not done so...  Which seems to tip the scales a bit more toward the possibility of him being wrong... 

Interesting effect. How is it that purely negative behavior is acceptable conduct on a forum dedicated to a greater good?

I thought the forum was dedicated to OU, and we were discussing Tseungs "theory" and expressing our increased amused scepticism with the
occasional flare of irritation, about the fact that Tseung makes lots of wild claims but never backs them up with empirical evidence. He has spent
so much time posting fantastic stories here and on other sites, that he could easily have built a simple proof of concept experiment and taken
some proper recorded observations. After all, he even applied for a patent? Anyway, he's talking about himself and his OU theory, we're talking about him and his OU "theory", on the OU forum... What's the problem?

Why cant you guys just stfu and let others talk about what they want,

Heh, now that's an interesting statement. Let's bounce that, shall we: Why can't you stfu and let us talk about what we want?  oooh I'm being too negative now, right? But really, we do let Tseung talk about his theory, all he wants. But we do keep pointing out the weak points in it.

without your racism and insults clouding the issues?

clouding the issues? Nothing cloudy about the issues, sir. No racism going on either,
as far as I see...

What interests of yours are at stake here? Just a job?

wtf? Now that is just a weird statement... What are you implying??

[Top Gun]

Concept of Negative Work in Physics

I did a google search using the phrase ?Physics Negative Work? and found the following top references:

Physics tutorial: Work: Negative work
We have seen the situations when the work done is zero. Work done can also be positive or negative. When 0o <= θ < 90o, work done is positive as Cos θ is ...http://tutor4physics.com/positivenegativework.htm - 12k - Cached - Similar pages - Note this


Mechanical work - Wikipedia, the free encyclopedia
In physics, mechanical work is the amount of energy transferred by a force. ... does negative work on it. Work can be zero even when there is a force. ...http://en.wikipedia.org/wiki/Mechanical_work - 42k - Cached - Similar pages - Note this

These two articles would be good reviews for those who want to provide constructive feedback.

[Forever]

I have put the video describing the experiment from Mr. T S Cheung on youtube.
The first one has the ball hitting hard surfaces at both ends. The time of rotation was 2 minutes 35 seconds. The following link shows that video.
http://www.youtube.com/watch?v=V1P3TGhJiF0
The second one has the ball hitting hard surfaces at one end and soft surfaces at the other. The time of rotation was 4 minutes 55 seconds. The following link shows that video.
http://www.youtube.com/watch?v=zykButGc22U&feature=related

The three additional pictures show the details of the pipes, steel ball and soft padding (tissue paper).

The video showing soft padding pointed to the advantage as suggested by Mr. T S Cheung. Mr. Cheung has improved the time to fifteen minutes. He is still working on further improvements. He might build a Bessler wheel.

[Forever]

I have reviewed the concept of negative work in detail. The figure on LHS is reproduced from the reference: http://tutor4physics.com/positivenegativework.htm

When the person lifts the weight W to a distance S, the positive work done by the man is equal to F*S. The weight is acting downwards. The displacement S is upwards. The weight can be considered as doing negative work. The value is equal to ?W*S. The reference explained this in detail. The negative work actually is equal to the increased potential energy of the system. 

I added the pendulum on the RHS as a comparison. If we pull the string up, the tension T in the string does positive work. The weight W does negative work. If the string is pulled a distance X up, the negative work is equal to ? W*X. This negative work is actually equal to the increased potential energy of the pendulum system.

[Forever]

The figure on the LHS is the pendulum with no external force.

The figure on the RHS is the pendulum with the horizontal force F. Let us consider the work done by the three forces separately.

1.   Work done by the horizontal force F. This is positive work as both F and dX have the same direction. In other words, we supply energy equal to F*dX.

2.   Work done by the pendulum bob. This is negative work as W is in the downward direction and dH is in the upward direction. In other words, we increase the vertical potential energy by a value of W* dH.

3. Work done by the tension of the string T1. This tension T1 can be resolved into the vertical and horizontal components. The vertical component will be equal to W at equilibrium. The displacement dH is upwards or in the same direction as the vertical component of T1. The work done by the tension of the string in the vertical direction is positive and has a value equal to W*dH.
The horizontal component of the tension T1 will be equal to F at equilibrium. The displacement dX is pointing to the RHS but the horizontal component of the tension T1 is pointing to the LHS (opposite to the horizontal force F). Thus, the work done by the tension of the string in the horizontal direction is negative. In other words, a potential tension energy is stored in the pendulum system equal to F*dX.

It is very clear to me that the increase in vertical energy of the pendulum bob when we pull it with a horizontal F is not equal to the vertical energy supplied by the horizontal force (Slide 12 calculated the horizontal energy to be approximately twice that of the vertical energy).

It is also clear to me that two separate negative works has been performed. These two separate negative works represent two types of potential energy supplied to the pendulum system. One is the increase in vertical height or the increased in potential energy that we are familiar with. The other is the increased in tension energy of the string (trying to pull the bob back to the original vertical position).

I believe many forum members might not have realized the above scenario. I hope that this review section has cleared all doubts.