Luas alas (A) = 8 x 3 = 24 cm2 = 0,0024 m2
P = F/A
P = 30/0,0024
P = 12.500 N/m2
Baca Juga: Bocoran Soal PAS IPS Kelas 8 Semester 1 Kurikulum 2013 Terbaru 2021
gambar C :
Luas alas (A) = 12 x 8 = 96 cm2 = 0,0096 m2
P = F/A
P = 30/0,0096
P = 3.125 N/m2