एक वृत्ताकार पाइप के माध्यम से आंतरिक श्यान प्रवाह (viscous flow) के लिए, प्रवाह लेमिनार (laminar) बना रहता है यदि रेनॉल्ड्स संख्या (Reynolds number):

The ratio of the specific weight of a liquid to the specific weight of a standard fluid is known as:

The magnitude of the buoyant force depends on the _____________.

In incompressible fluid dynamics, the continuity equation is ∂u/∂x + ∂v/∂y + ∂w/∂z = 0. What physical law does this equation represent?