Fluid Statics

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

A simple U-tube or manometer has a side filled with water and another with an unknown blue fluid. Which side has the larger absolute pressure at the bottom of its column?

• left

• right

• equal

Rank the fluids in order from most dense to least dense.

• Fluid A, oil, water, mercury

• oil, water, Fluid A, mercury

• mercury, oil, water, Fluid A

• mercury, Fluid A, water, oil

A hydraulic lift has a left and right column of different areas. Which side has the greater pressure?

• A₁

• ^A₂

• Same

A personal submarine is spherical and can reach depths of up to 1 mile below the surface of the water. Which statement is true?

• The pressure is equal on all sides of the sphere

• The pressure is slightly larger on the bottom of the sphere than the top

• The pressure is slightly larger on the top of the sphere than the bottom

Two spheres have equal volume in the air. One is a balloon and the other is a solid wood sphere. When brought into the water, the balloon's radius is ________ the wood's radius.

• less than

• greater than

• equal to

Now the same two spheres are made to be equal volume in the water. The moment you release them, which experiences the greater buoyant force?

• wood

• balloon

• same buoyant force

Four blocks are suspended in water as shown. Which blocks experiences the greatest buoyant force?

• A

• B

• C

• D

Which string will have the largest tension?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-2

Which block has the largest buoyant force when floating?

• A

• B

• C

• D