Răspuns:
F₁/S₁₍= F₂/S₂
F₁=400N
F₂=?
d₁=5cm
d₂=25cm
F₂=(F₁* S₂)/S1
5cm=0,05m
25cm=0,25 cm
S₁ =(π *d ₁²)÷ 4= (3,14*(0,05)²)÷ 4=0,0019625 m²
S₂=(π *d ₂²)÷ 4= (3,14*(0,25)²)÷ 4=0,0490625m²
F₂ = (400*0,0490625)÷ 0,0019625=10000 N
Explicație: