Chapter 10: Mechanical Properties of Fluids

• P = ρgh
• F = 6πηrv (Stokes' law)
• P₁ + ⅔ρv₁² + ρgh₁ = P₂ + ⅔ρv₂² + ρgh₂ (Bernoulli)

Q1. Find the pressure at a depth of 10 m in water. (ρ = 1000 kg/m³, g = 10 m/s²)

Solution

P = ρgh = 1000 × 10 × 10 = 10² Pa = 100 kPa