Comment on the following statements as True/False. S1: The flow of viscous fluid must satisfy the no-slip condition at the solid boundary. S2: The boundary layer exists in the flow of ideal fluids. S3: The concept of boundary layer divides the flow into two zones.

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?