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...The study with pulleys is more fun ...
I agree!
What we have here with the pulleys is a complex equation to describe the geometry correctly.
Using Valery's simplification with r=0 makes sense but only in this case (reality has r>0 additional to this we have very large friction at the fixing points if r=0)
Because of pictures are good, i will add this (created with CAD-System):
The initial configuration of the three-mass system, chosen by me, is as follows:
but it is very laborious... I'm studying the case where the angle θ is much less than a radiant.
F.M. написал(а):
...The study with pulleys is more fun ...
A pulley is more correct as a block? We say блок.
A "block and tackle," refers to an arrangement of ropes and pulleys that develops mechanical advantage:
A "pulley," is one spinning part of that. What your sketches illustrate
Are (more accurately) two pulleys. A single pulley develops no mechanical advantage.
Thanks, Fred!
And can you help me here Sheets Mathcad 15 and Prime - one bug too! Please!
Fred Kohlhepp написал(а):
A "block and tackle," refers to an arrangement of ropes and pulleys that develops mechanical advantage:
A "pulley," is one spinning part of that. What your sketches illustrate
Are (more accurately) two pulleys. A single pulley develops no mechanical advantage.
... and here too? With big friction!
Variant for children
I mean a generic disk that can be the throat of that thing there ... .... .
... but would not it be more fun to see this system as it behaves?
There are a spring, four masses two discs....
it is almost ready for one half....
Beautiful, .... but the woman ... the one of the photo, is even more ...
F.M. написал(а):
Beautiful, .... but the woman ... the one of the photo, is even more ...
Yes - woman is woman! But I can create and add new frames and do animation more fine:
I use my iron assistant for this manual work:
F.M. написал(а):
Beautiful, .... but the woman ... the one of the photo, is even more ...
Woman and Flowers!
You can change L, masses, start point and get new woman, flowers etc!
F.M. написал(а):
Beautiful, .... but the woman ... the one of the photo, is even more ...
One part of a women - a Russian big woman
....... this is the bust of a woman with swollen belly and older age .... we are interested in those with age <50 ...
F.M. написал(а):
....... this is the bust of a woman with swollen belly and older age .... we are interested in those with age <50 ...
For me it is some others - down and back side
F.M. написал(а):
....... this is the bust of a woman with swollen belly and older age .... we are interested in those with age <50 ...
If you want to make me laugh you did not succeed ...
There are also good and bad taste responses .... The exhibit these women is certainly something in bad taste, in my opinion. We must also be alert to the sensitivity of the people to whom we respond, bearing in mind that we are in the presence of an extensive audience.
......Who is she? A math woman? Or a mathcad user eager to show her mobile... patrimony or hardware? I suppose she knows how to do many things ... both horizontally and vertically ... in daylight, on the blackboard, and in bed ...
I'm afraid this is not the right community for her ...
She, as a woman eager to show her blushing beauty, would be better on some VK pages...
ValeryOchkov написал(а):
Sorry, it was a wrong picture
The correct one is so
If you want to make me laugh you did not succeed ...
There are also good and bad taste responses .... The exhibit these women is certainly something in bad taste, in my opinion. We must also be alert to the sensitivity of the people to whom we respond, bearing in mind that we are in the presence of an extensive audience.
Anyway ...I hope the audience finds very interesting, the background of the photo ... on the left .... Sorrento a few hours ago ...
hihihihihi!!!
That's a good one.
and it's about Friction too, so we are in the rails again...
I have in my book Физико-математические этюды с Mathcad и Интернет
one example with a boot - one part in water - one part in air
F.M. написал(а):
Beautiful, .... but the woman ... the one of the photo, is even more ...
It was a first world "woman" in this branch of this Community Forum. And not me have said it!
F.M. написал(а):
Hello, in attached you find a simple animation .avi.
We can open here the MOV animation not AVI:
It is not about women!
PS Convertor AVI to MOV Online converter - convert video, images, audio and documents for free
For those who use windows, just open the video with windows media player.
It isn't free