Предмет: Физика, автор: Ооиыиви

на тележку массой 5 кг действует сила 15Н.Затем на тележку положили коробку масой 2 кг.Какую силу нужно приложить на тележку чтобы она двигалась с таким же ускорением?

Ответы

Автор ответа: kopatel228

F = ma
F₁ = m₁a ⇒ a = F₁/m₁ = 15/5 = 3 м/с²
F₂ = m₂a = (5 + 2) * 3 = 21 Н

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