Unit 3 Flashcard Worksheet Questions

Front

An airfoil’s movement through air is similar to ______.

Back

a boat’s movement on water

Front

True or False. Water has greater viscosity than air.

Back

True

Front

The Coanda Effect is the tendency of a stream of fluid to ______.

Back

attach to a convex surface

Front

Millibars (mb) is a unit of measurement for ______.

Back

atmospheric pressure

Front

True or False. Air density increases as altitude increases.

Back

False

Front

What is the typical effect of increasing temperature on the viscosity of a liquid?

Back

Decreases viscosity

Front

What is viscosity in the context of fluid dynamics?

Back

The ability of a fluid to resist gradual deformation by shear stress or tensile stress.

Front

What is the FORCE?

Back

0 N

Front

Has a definite volume but not a definite shape

Back

Liquid

Front

If an object is stationary (not moving) the forces acting upon it are _____________

Back

balanced