🎡ap physics 1 review

Continuity equation

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

The equation A₁v₁ = A₂v₂ that expresses conservation of mass flow rate in incompressible fluids, stating that the product of cross-sectional area and flow speed remains constant along a streamline.

AP course connection

Topic 8.4: 8.4 Fluids and Conservation Laws

Unit 8