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Two masses one pulley and one spring

21-Topaz II

Two masses one pulley and one spring

A mass point  M1 runs, without friction along an horizontal axis parallel to the  x one, drawn towards the point Q on its axis, by a spring of elastic constant K. On the other side, A is connected to a thread of negligible weight which, after being passed into the throat of a pulley, located in C at a distance d from the origin and rotating around its axis in C, is supporting a mass point M2 at the end B  (counterweight). Study the motion of the system. Suppose further that the wire does not creeping on the pulley.


two masses one spring system 1.jpg

two masses one spring system 2.jpg

spring pulley masses.jpg

I would be grateful to anyone who would point me to imperfections or mistakes.

I thank you all.


Video Link : 7897

Video Link : 7898


But we need Mathcad sheet too. Please!

When I look at such animations, then in my memory immediately pops up a song, which drivers sang in the army where I served. This song is very affectionate - once you sing it and will not untie from you. Here are its pieces of this song from the Internet:

Я мальчишка-шоферишка больше ничего,

А ещё регулировщик, вот, пожалуй всё.

За четырнадцать с полтиной я кручусь весь день.

Регулировать машины мне, друзья не лень.

Раз пошёл к приятелю вечернюю порой.

Познакомился там, братцы, с девушкой одной.

Как порядочный мужчина к ней я подхожу.

На неё, как на машину с ходу погляжу.

Первым делом поднимаю у неё капот

И насосом продуваю ей бензопровод.

Поршень ходит по цилиндру много, много раз,

А глушитель выпускает очень вредный газ.

И поехала машина под гору вперед,

Только задняя рессора мягко поддает...

Video Link : 7900

See too Punch, Brothers, Punch by Mark Twain | Short Story | FULL Unabridged AudioBook - YouTube

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