Ch.13 Physical Science- Forces in Fluids

Front

What is buoyant force?

Back

The upward force exerted by a fluid on a submerged or floating object.

Front

What determines whether an object floats or sinks?

Back

The relationship between the object's weight and the buoyant force acting on it.

Front

What is Archimedes' principle?

Back

The buoyant force on an object is equal to the weight of the fluid displaced by the object.

Front

What are the two characteristics of fluids?

Back

Fluids flow and take on the shape of their containers.

Front

Why does salt water allow objects to float more easily than fresh water?

Back

Salt water has a greater density, which creates a greater buoyant force when displaced.

Front

What happens to the buoyant force when an object is submerged deeper in a fluid?

Back

The buoyant force remains constant as long as the object is fully submerged.

Front

What is the relationship between density and buoyancy?

Back

An object will float if it is less dense than the fluid it is in.

Front

What is fluid pressure?

Back

The force exerted by a fluid per unit area on an object.

Front

How does fluid pressure change with depth?

Back

Fluid pressure increases with depth due to the weight of the fluid above.

Front

What is the formula for calculating buoyant force?

Back

Buoyant force = weight of the fluid displaced.