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A = 1/4 3,14.( 4.10⁻³ )² = 4.3,14 m²
Dit : P ?
Jwb :
P = F / A
= 10.000 N / 4.3,14 m²
= 0,08.10¹° N/m²
= 8.10⁸ N/m²
maaf ya kalau salah