Diagnostic Test in 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

What force causes the wood to float 

• weight
• density
• buoyant
• gravity

The English unit for pressure.

• psi (pounds per square inch)
• mph
• lbs
• $$$

Which direction does buoyant force always push?

• downward
• upward
• all directions
• sponge bob

The size of a buoyant force depends on the object's:

• Mass
• Density
• Weight
• Volume

Which of the following is NOT a fluid?

• carbon dioxide
• hydrogen
• seawater
• wood

Which of the following is a fluid?

• helium
• ice
• iron
• gold