Question

a high school student walks home with their backpack loaded down with homework. the weight of it takes all of their strength to carry home. which law does this represent? newtons 1st law - friction newtons 2nd law - more mass = more required force newtons 3rd law - equal / opposite forces newtons 4th law - law of homework

Explanation:

Newton's 2nd Law states that force (F) is equal to mass (m) times acceleration (a), or F = ma. A heavier backpack (more mass) requires more force to carry. There is no Newton's 4th law. Newton's 1st law is about inertia and Newton's 3rd law is about action - reaction pairs, which are not relevant here.

Answer:

B. Newton's 2nd Law - more mass = more required force