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(jika betul jadikanlah terbaik)
m = 2kg
A = 100 cm² = 0,01 m²
g = 10 m/s²
dit : P ?
dijawab :
F = m x g
= 2 x 10
= 20 N
P = F/A
= 20/0,01
= 2000 N/m²