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Консультация № 201321
05.08.2021, 14:43
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Уважаемые эксперты! Пожалуйста, помогите с решением следующей задачи. Я переоткрыл закрытую консультацию # 201301. Условие должно было остаться такое же.
Дан однородный квадрат массой
. Ускорение свободного падения 
. Мы подвешиваем квадрат на четыре нити, точки крепления нитей - углы квадрата. Нити являются одинаковыми, имеющими равную начальную длину и коэффициент жёсткости 
. Для справедливо 
, где 
- толщина квадрата. Введём прямоугольную систему координат 
. Расположим квадрат так, чтобы геометрический центр квадрата совпадал с точкой 
, середина одного из рёбер квадрата лежит на оси 
в точке с координатой 
. Мы располагаем груз массой 
в точке с координатой 
, точка принадлежит квадрату. Выполняется 
. Получите зависимость сил натяжения каждой из нитей 
(в любом порядке) от . Рассмотрите оба случая: 
и 
.
Дан однородный квадрат массой
. Ускорение свободного падения . Мы подвешиваем квадрат на четыре нити, точки крепления нитей - углы квадрата. Нити являются одинаковыми, имеющими равную начальную длину и коэффициент жёсткости . Для справедливо , где - толщина квадрата. Введём прямоугольную систему координат . Расположим квадрат так, чтобы геометрический центр квадрата совпадал с точкой , середина одного из рёбер квадрата лежит на оси в точке с координатой . Мы располагаем груз массой в точке с координатой , точка принадлежит квадрату. Выполняется . Получите зависимость сил натяжения каждой из нитей (в любом порядке) от . Рассмотрите оба случая: и .
Обсуждение
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