Вопрос школьника по предмету Физика
А)Известно,что солдат со снаряжением оказывает такое же давление на землю ,как и средний по весу танк.Почему?
Б)
Лёд выдерживает давление 8кПа.Сможет ли пройти по этому льду автомобиль массой 3000кг,если площадь всей поверхности его опоры 800см2?
Ответ учителя по предмету Физика
у танка масса больше ,но площадь опоры больше, а солдат имеет массу меньшею , но площадь опоры меньшею
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