Tekanan 8. sepotong balok kayu mengapung di atas air dan 75% volumenya tenggelam dalam air.apabila volume balok 4.000 cm³,hitunglah massa balok kayu (dalam kg)! (g=9,8 m/s²)
hendrisyafa
Fa = ρc g Vb ,pers 1 Fa = mb. g..pers 2
Pers 1 = pers 2
mb. g = ρc.g Vb mb = ρc. Vb = 1 gr/cm³ . (75% . 4000) cm³ = 3000 gr = 3 Kg
Fa = mb. g..pers 2
Pers 1 = pers 2
mb. g = ρc.g Vb
mb = ρc. Vb
= 1 gr/cm³ . (75% . 4000) cm³
= 3000 gr
= 3 Kg