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Простейшие механизмы позволяют получать выигрыш в силе.

Наклонная плоскость - плоскость установленная под острым углом к горизонту. Пандус - это наклонная плоскость.

Клин - разновидность наклонной плоскости. Острие ножниц, наконечник стрелы, острие ножа, зубило, топор.

Рычаг - стержень поворачивающийся вокруг оси. Лом, ножницы - это рычаги.

Винт - разновидность наклонной плоскости, спирально накрученной вокруг цилиндрического тела. Шурупы, сверла, болты, его используют даже для подъема воды - Архимедов винт.

Ворот - разновидность рычага, цилиндрическое тело с рукояткой. В колодцах для подъема воды используют ворот. Отвертка - ворот.

Блок - видоизмененный рычаг, колесо с желобом, через который пропускают трос или веревку. Или меняет направление силы (неподвижный), или дает выигрыш в силе (подвижный)

Колесо - видимо тоже разновидность рычага. Используется в зубчатых передачах, транспорте.

Поршень используется в технике, в огнестрельном оружии.