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Nomor 1

Diketahui

• s = 10 cm
• A = 10 cm × 10 cm = 100 cm² = 10^-2 m²
• W = 60 N

Ditanya

• P

JAWAB

P = W/A

P = 60/10^-2 = 6 × 10¹/10^-2

P = 6 × 10^1 + 2

P = 6 × 10³

P = 6.000 N/m²

Nomor 2

Diketahui

• F = 180 Newton
• A = 100 cm² = 10^-2 m²

Ditanya

• P

JAWAB

P = F/2A

P = 180/2(10^-2)

P = 90 × 10²

P = 9 × 10³

P = 9.000 N/m²

Nomor 3

Diketahui

• F = 650 Newton
• P = 50 N/cm² = 5 × 10⁵ N/m²

Ditanya

• A

JAWAB

P = F/A

5 × 10⁵ = 650/A

A(5 × 10⁵) = 650

A = 650/5 × 10⁵

A = 0,0013

A = 1,3 × 10^–3 m²