Предмет: Физика, автор: nastya2009zzzzzzzzzz

знайти силу яку необхідно прикласти, щоб підняти вертикально вгору вантаж масою 20 кг за допомогою 1) а нерухомого блоку 2) рухомого блоку​

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Автор ответа: lvv9136
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