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i guess i won't get any response to that.. :) As Dr. Perelman said, it is not you, It is I who is different and isolated...

Sorry patrick,

I was not good at mathematics, try as I may in high school.

I used to slave for hours and hours. I couldn't imagine anyone trying that hard. But I could only ever muster up a pass

Years later, as part of a university degree, I was able to get my head around statistics, but that is all.

Good luck in your quest. Don't give up. Keep bumping the thread. You never know...

thank you for the reply... I know mathematics is a kinda difficult subject. I wish I could meet someone who i could related my interest to .... Any lady mathematician out there ???

First of all I am not a lady.
Secondly I have a mathematical question that perhaps you can aid me with?

If you lift a ten pound object it requires 10 pounds of force to do so correct?
Now take that ten pound object and make it 10 feet long.
How much force is required to lift it now from one end (5 feet from the centre)?
What formula is used to determine the force required?
Is this formula complicated when an arm is outstretched? How does this impact the force required? Do you just calculate the length of the arm into the distance from the centre of the object?
Yes I am serious. I have an insatiable curiosity and would greatly appreciate any sort of answer.

Search in the web :
Vivianne Baladi, she is cute and a leading mathematician... unfortunately she is not a CS member , as far as I know of...

I am not sure though if you would find female mathematicians desirable all the time.. anyway, apart from Vivianne I would not choose any other...
Good luck

I see maths as a necessary evil, tho i did pretty well in maths, glad not to be cracking mu head over it.
I can recommend a close friend who loves the subject, alas not on CS.

(assuming the mass is evenly distributed)


Technically it requires more than 10 to lift it, as exactly 10 would only counteract gravity but nothing more.


any force greater than 44452.05226 Newtons


-Torque1 = Torque2


Not on how much force is required to lift it, no. The only thing you care about is how much force is applied to the object.


None. The force on the object required will always be the same.
Assuming you're interested, outstretching your arms would require much more effort on your part. It's all about torque; the force on your hands will always be constant, but the greater the distance from the force to the pivot point(your shoulder/elbow/wrist) is, the greater the torque will be.


The two systems are separate from each other. The art of physics is breaking down a complicated problem into smaller ones!

My calculus 1&2 professor was a woman in her late 20's who plays WoW, and is unmarried. They're definitely out there!

The woman here are interested in math,,,,8 inches, but I have to cheat with a 2 inch tong.

You nut.

I know I am going to regret asking..

but what is a tong, in this context?


(*She is becoming so educated on CS!)

just to expand, since it isn't 3-4am, I have to note that force is only while it's lying parallel to the ground... as soon as it gets lifted the forces turn into vectors and it takes less and less force to lift it, until it reaches 90º of course :]

aye, mi cabesa

I only do math for work.....

I havn't studied Physics much. Therefore I can't say that I am familiar with a lot of concepts in Physics. However, the following is what I know.

Torque is different from Force. Torque = cross product of Torque and distance. (cross product is maximum when Torque vector and distance vector are perpendicular).

Now, having said that. The question you are asking seems to be a torque question. Let's look at the 10 feet long object.
Let's assume that our goal is to keep it up in the air parallel to the ground and we are applying force "F" to the pivot point of the object which is one of the end of the object. In order to keep the object in the air parallel to the ground, any amount of F won't be enough to counter the total torque that is exerted by the gravity to the stick( which is 10lb x 5 ft). This is because F x 0 vector is 0.

Now let's assume that you are holding the object in your hand parellel to the ground. Your arm is stretched out and forms a straight line with the object. Then as you can visualize, there is an downward torque by the gravity and there is upward torque by the muscles in your arm. Also, the muscles exert its force not at the pivot point(shoulder cap) but closer to your elbow. Therefore the counteracting force is bigger than zero due to the fact that the distance between your shoulder cap to the elbow is bigger than zero. That is why you will be able to maintain it parellel to the ground.

Now let's get back to the only lifting part of the object. It seems that only vertical force you need to lift the object is always 10 lb. In order to explain this, I could expose the object to a hypothetical force field that keeps the object parellel to the ground by constanly pulling its ends horizontally. In this field, any vertical force that is applied to any part of the object is just like applying the same force to the center of the object. :)

I believe Torque is what turns the object around its pivot point. Force required to lift the object doesn't necessarily have to be related to the torque.

I wonder if i have explained myself well. If you find any fault in my reasoning, it is because I am more into mathematics at the moment than physics. All physics I learned so far from mathematic books...

Take care.

How about statistics? Ive tried using statistics to solve that P verse NP problem. My chances of solving that problem are 1 in a billion or so but its fun to try. It doesnt look like a problem that can be solved by statistics but I and Marilyn Voss Savant disagree.

ok- so the boring answer- 1+1= 1- well it is a dating site after all!! can't believe noone put this answer yet

In Portugal there is an incentive for people to give up studies especially to what concerns Maths. It's one of the strategies they find to keep the ellite (intellectual)smaller and smaller each day. They report about it in the news everyday and they make it high school as mandatory schooling. People run from Maths. Without Maths you can't really achieve high school. With the exclusion of Maths at a lower level, we don't have great scientists...

There was this interesting work of Camões "Os Lusídas", of the 16th century, poems and all. It has a difficult interpretation due to a different Portuguese of course. Interesting, it makes your brain work, work, work as to find out what could be the meaning...this work was abolished here. It hurt deeply because i had to swallow a lot of it!:law:

Philosophy, they have been discussing the importance that it has on the developing of minds and they will possibly abolish it as well at a certain level i heard! Heeeeeeeeelp:Doh:

Ah, Maths, no thanks

P verse NP problem?

Yes, the millennium problem. Th one with the salesman trying to travel the shortest route. I know the problem is much more than that but thats the example I try to solve. I think that by using statistics I can get an answer that is within 2% of the correct answer. I think a lot of things though so pay me no mind.

True great minds always find their ways to their destiny.
For example, Pascal. His father didn't want him to study mathematics. His father took all his mathematic books away from him. However, he studied geometry on his own by drawing pictures on walls. Great minds are great not because they could learn and understand new concepts easily, but because they are characterized with a unquelchable thirst for knowledge that would manifest itself under all situations and conditions.

very unfortunate to hear how things are in the country...
Someday I would like to study Philosophy... At the moment, I am more interested in Natural Philosophy. What you saying is correct. Philosophy is a great subject..