Physics, Fluid Mechanics

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

Which of the following is NOT an example of unites for expressing pressure?

• N/m²
• kg/m²
• atm
• Pa

What is the unit of measurement for pressure?

• pascal
• grams
• milliters
• meters

A 2 m long steel cube rests on the floor. The pressure the cube exerts on the floor is 2000 Pa. Find the force of the cube.

• 0.001 N
• 1000 N
• 4000 N
• 8000 N