Fluids — Formula Sheet
Tamil Nadu Board · Class 9 · Science
3 formulas from Fluids (Tamil Nadu Board Class 9 Science) on one page, grouped by topic. Includes Pressure is the force per unit.
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Formulas and Key Relations
3 Atmospheric Pressure
At sea level, atmospheric pressure = 101.3 kPa = 1.013 × 10⁵ Pa = 1 atm
Key relations
Pressure is the force per unit area
P = F/A.
Density is mass per unit volume (ρ = m/V), measured in kg/m³ or g/cm³.
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