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A= 12 cm . 10 cm = 120 cm^2= 0,012 m^2
P=F/A
= 60/0,012=5.000 N/m
F=60N
P(Pressure/Tekanan) P=?
F(Force/Gaya)
A(Area/Luas) P= 60 : 0,012 = 5000 N/m2 <------ Jwb
Semakin besar luas, semakin kecil tekananya. Karena P= F/A, contoh: Jarum (A kecil, sehingga tekanan dihasilkan ckup bsar)