Предмет: Физика, автор: Аноним

Решите надо очень срочно

Приложения:

Ответы

Автор ответа: nikitakologrivenko

Ответ:

Объяснение:

Дано:

m = 5 т = 5 000 кг

a = 250 см = 2,5 м

b = 28 см = 0,28 м

________________

p - ?

Давление

p = F / S.

Сила тяжести действующая на трактор:

F = m·g

Площадь опоры:

S =2· a·b. (Поскольку 2 гусеницы)

Получаем:

p = F / S = m·g / (2·a·b)

p = 5000·10 / (2·2,5·0,28) ≈ 35 700 Па или p ≈ 36 кПа

nikitakologrivenko: Это легко

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