Forces and Fluids

Front

What force pulls an object downward?

Back

Gravity is the force that pulls objects toward the center of the Earth.

Front

What is a gas considered?

Back

A gas is considered a fluid.

Front

True or False: Liquids and gases are considered fluids.

Back

True.

Front

What principle explains how an airplane wing allows flight?

Back

Brenoulli's principle explains how the shape of an airplane wing creates lift.

Front

What does Pascal's principle state?

Back

Pascal's principle states that when pressure is applied to a fluid in a closed container, the pressure increases by the same amount everywhere in the container.

Front

What is buoyant force?

Back

Buoyant force is the upward force exerted by a fluid on an object submerged in it.

Front

What is atmospheric pressure?

Back

Atmospheric pressure is the pressure exerted by the weight of the air in the atmosphere.

Front

What is the difference between a solid and a fluid?

Back

A solid has a fixed shape and volume, while a fluid (liquid or gas) can flow and take the shape of its container.

Front

What is Archimedes' principle?

Back

Archimedes' principle states that an object submerged in a fluid experiences a buoyant force equal to the weight of the fluid displaced.

Front

What is drag force?

Back

Drag force is the resistance experienced by an object moving through a fluid.