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Консультация № 201671
13.11.2021, 14:08
0.00 руб.
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3
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Здравствуйте, уважаемые эксперты! Прошу вас ответить на следующий вопрос:
Маховик в виде обода-колеса массой m и радиусом R вращается с частотой n (об/сек) . Затем к ободу маховика прижали тормозную колодку с силой F . Через время t после начала действия сил торможения маховик остановился. Найти коэффициент трения между колодкой и маховиком (с двумя значащими цифрами, без округления)
m = 1 (кг); R = 0,1 (м); n = 3 (об/сек); F = 25 (н); t = 4 (с)
Маховик в виде обода-колеса массой m и радиусом R вращается с частотой n (об/сек) . Затем к ободу маховика прижали тормозную колодку с силой F . Через время t после начала действия сил торможения маховик остановился. Найти коэффициент трения между колодкой и маховиком (с двумя значащими цифрами, без округления)
m = 1 (кг); R = 0,1 (м); n = 3 (об/сек); F = 25 (н); t = 4 (с)
Обсуждение
13.11.2021, 14:10
общий
Маховик в виде обода-колеса массой m и радиусом R вращается с частотой n (об/сек) . Затем к ободу маховика прижали тормозную колодку с силой F . Через время t после начала действия сил торможения маховик остановился. Найти коэффициент трения между колодкой и маховиком (с двумя значащими цифрами, без округления)
m = 1 (кг); R = 0,1 (м); n = 3 (об/сек); F = 25 (н); t = 4 (с)
m = 1 (кг); R = 0,1 (м); n = 3 (об/сек); F = 25 (н); t = 4 (с)
13.11.2021, 20:15
общий
Адресаты:
Уважаемый автор Chocke23,
Ваш вопрос почти полностью повторяет текст консультации #201654 с точностью до численной подстановки, что не рекомендовано делать на Портале. Перед тем, как отправить вопрос экспертам, рекомендуется просмотреть наличие похожих консультаций.
Ваш вопрос почти полностью повторяет текст консультации #201654 с точностью до численной подстановки, что не рекомендовано делать на Портале. Перед тем, как отправить вопрос экспертам, рекомендуется просмотреть наличие похожих консультаций.
15.11.2021, 03:44
общий
Адресаты:
Посмотрите Решения очень похожих задач на страницах rfpro.ru/question/179643 (задача N2) , rfpro.ru/question/196463 (Ссылка2) , rfpro.ru/question/193958 , rfpro.ru/question/195045 . Теоретические сведения см в университетской методичке "Момент инерции и силы трения маховика" Ссылка5
В решении вашей задачи остаётся лишь подставить свои числовые значения и вычислить коэффициент трения по простой школьной формуле
k = Fприжима / Fторможения
Сами справитесь?
В решении вашей задачи остаётся лишь подставить свои числовые значения и вычислить коэффициент трения по простой школьной формуле
k = Fприжима / Fторможения
Сами справитесь?
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