Physics, Fluid Mechanics, Post Assessment

The unit m³ is a unit of:

• Volume
• Mass
• Density
• Area

The density of water is ____ g/cm³.

• 1
• 1000
• 100
• 10

Cutting a watermelon in half causes the density of the watermelon to:

• Increase
• Decrease
• Remain constant

A g or kg is a unit of:

• Mass
• Volume
• Density
• Area

Standing on one foot causes the pressure on the floor to:

• Increase
• Decrease
• Remain constant

It is "safe" to lay on a bed of nails due to:

• The increased area the nails create
• The increased pressure the nails create
• The smaller area the nails create
• The less force that acts on your body

When dealing with pressure, area, and force have what type of relationship?

• Direct
• Inverse
• No relationship

Find the volume of this piece of brass.  

• 50 g
• 10 cm
• 6 cm³
• 12 cm³

A fluid exerts 500 N of force over an area that measures .5 m².  What is the pressure exerted by the fluid?

• 1,000 Pa
• 2,000 Pa
• 750 Pa
• 250 Pa

What is the unit of measurement for pressure?

• pascal
• grams
• milliters
• meters