Предмет: Физика, автор: Kinder8surprize

пожалуйста подскажите Физика 7 класс : Задача такая( Гидравлический пресс должен производить силу 2,7* 10 в 5 степени Н. диаметр малого поршня 3 см, большого- 90 см. Какая сила должна быть приложена к малому поршню?

Ответы

Автор ответа: альфьюша

сила1/силу 2=площадь1/площадь 2- формула.
сила1=сила2*площадь1/площадь 2
и надо просто подставить значения.
сила1=270000*3/90= ну и там посчитаешь

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