Ch. 12 Physics Review quize

Describe all of physics

What is the buoyant force of a cube with side length 3 meters submerged in water?
(density of water is 1000 kg/m^3)

• 27,000N

• 5000N

• 3000N

• .33333 N

The buoyant force an object experiences is dependent on its mass.

• True

• False

Pressure is equal to the force per unit ____?

The pressure at the bottom of a flask of water at a depth of 5cm will be:

(density of water is 1000 kg/m^3)

• 490 N/m^2

• 49000 N/m^2

• 5000 N/m

• 50 N/m

Gauge pressure is the absolute pressure minus the _____ pressure.

• Fluid

• water

• atmospheric/surrounding

• Valve

The equation that states that the area times the speed of the fluid going through that area is always constant is called?

• Water Counting Equation

• Charge Conservation

• Conservation of Momentum

• Continuity Equation/incompressible fluid

A cube of oak wood with very smooth faces normally

floats in water. Suppose you submerge it completely and press

one face flat against the bottom of a tank so that no water is

under that face. Will the block float to the surface?

• Yes

• No