Question 1

Compared to the buoyant force that acts on you when you float in fresh water, the buoyant force that acts on you when you float in the dense water of the Dead Sea is

Accepted Answer

A)  less, because less of your volume is displaced. 
B)  the same. 
C)  more, because of the greater density of fluid displaced. 
A)  less, because less of your volume is displaced. 
B)  the same. 
C)  more, because of the greater density of fluid displaced.

Question 2

A row boat containing a barrel of water floats in a swimming pool. When the water in the barrel is poured overboard, the swimming pool level will

Accepted Answer

A)  fall. 
B)  rise. 
C)  remain unchanged. 
A)  fall. 
B)  rise. 
C)  remain unchanged.

Question 3

Buoyant force is greatest on a submerged

Accepted Answer

A)  10-newton block of aluminum. 
B)  10-newton block of lead. 
C)  is the same on each 
A)  10-newton block of aluminum. 
B)  10-newton block of lead. 
C)  is the same on each

Question 4

Compared to an empty ship, the same ship loaded with styrofoam will float

Accepted Answer

A)  higher in the water. 
B)  at the same level in the water. 
C)  lower in the water. 
A)  higher in the water. 
B)  at the same level in the water. 
C)  lower in the water.

Question 5

As a helium-filled balloon rises in the air, it becomes

Accepted Answer

A)  heavier. 
B)  more dense. 
C)  bigger. 
D)  all of these 
E)  none of these 
A)  heavier. 
B)  more dense. 
C)  bigger. 
D)  all of these 
E)  none of these

Question 6

The density of a submerged submarine is about the same as the density of

Accepted Answer

A)  water. 
B)  iron. 
C)  a floating submarine. 
D)  a crab. 
E)  none of these 
A)  water. 
B)  iron. 
C)  a floating submarine. 
D)  a crab. 
E)  none of these

Question 7

A block of wood half as dense as water floats with half its volume above water. A piece of iron is then tied on top so the wood floats with only 1/4 its volume above the surface. If the wood and iron
Are turned over so that the iron is submerged beneath the wood, then the volume of wood above the water surface will be

Accepted Answer

A)  the same, 1/4. 
B)  more than 1/4. 
C)  less than 1/4. 
D)  There's no way to say. 
A)  the same, 1/4. 
B)  more than 1/4. 
C)  less than 1/4. 
D)  There's no way to say.

Question 8

The mass of a cubic meter of water is

Accepted Answer

A)  100 kg. 
B)  1000 kg. 
C)  1 kg. 
D)  10 kg. 
E)  9800 N. 
A)  100 kg. 
B)  1000 kg. 
C)  1 kg. 
D)  10 kg. 
E)  9800 N.

Question 9

If a battleship sinks in a canal lock, the water level in the lock will

Accepted Answer

A)  fall. 
B)  rise. 
C)  remain unchanged. 
A)  fall. 
B)  rise. 
C)  remain unchanged.

Question 10

An ice cube floating in a glass of water contains many air bubbles. When the ice melts, the water level will

Accepted Answer

A)  rise. 
B)  fall. 
C)  remain unchanged. 
A)  rise. 
B)  fall. 
C)  remain unchanged.

Question 11

What is the buoyant force acting on a 10-ton ship floating in the ocean?

Accepted Answer

A)  less than 10 tons 
B)  more than 10 tons 
C)  10 tons 
D)  depends on density of sea water 
A)  less than 10 tons 
B)  more than 10 tons 
C)  10 tons 
D)  depends on density of sea water

Question 12

The pressure in a liquid depends on liquid

Accepted Answer

A)  depth. 
B)  density. 
C)  both of these 
D)  neither of these 
A)  depth. 
B)  density. 
C)  both of these 
D)  neither of these

Question 13

When an object is partly or wholly immersed in a liquid, it is buoyed up

Accepted Answer

A)  by a force equal to the weight of liquid displaced. 
B)  but nevertheless sinks. 
C)  by a force equal to its own weight. 
D)  and floats because of Archimedes principle. 
E)  none of these 
A)  by a force equal to the weight of liquid displaced. 
B)  but nevertheless sinks. 
C)  by a force equal to its own weight. 
D)  and floats because of Archimedes principle. 
E)  none of these

Question 14

The air in this room has

Accepted Answer

A)  weight. 
B)  energy. 
C)  mass. 
D)  all of these 
E)  none of these 
A)  weight. 
B)  energy. 
C)  mass. 
D)  all of these 
E)  none of these

Question 15

The buoyant force on an object is least when the object is

Accepted Answer

A)  submerged near the surface. 
B)  partly submerged. 
C)  submerged near the bottom. 
D)  none of these 
A)  submerged near the surface. 
B)  partly submerged. 
C)  submerged near the bottom. 
D)  none of these

Question 16

The volume of water displaced by a floating 20-ton boat

Accepted Answer

A)  depends on the shape of the ship's hull. 
B)  is the volume of the boat. 
C)  is the volume of 20 tons of water. 
D)  is 20 cubic meters. 
E)  none of these 
A)  depends on the shape of the ship's hull. 
B)  is the volume of the boat. 
C)  is the volume of 20 tons of water. 
D)  is 20 cubic meters. 
E)  none of these

Question 17

A suction cup sticks to a wall. It is

Accepted Answer

A)  pulled to the wall by the vacuum. 
B)  pushed to the wall by the atmosphere. 
C)  both of these 
D)  neither of these 
A)  pulled to the wall by the vacuum. 
B)  pushed to the wall by the atmosphere. 
C)  both of these 
D)  neither of these

Question 18

As a balloon rises higher and higher into the atmosphere, its

Accepted Answer

A)  weight increases. 
B)  density increases. 
C)  mass decreases. 
D)  volume decreases. 
E)  none of these 
A)  weight increases. 
B)  density increases. 
C)  mass decreases. 
D)  volume decreases. 
E)  none of these

Question 19

Compared to the density of water, the density of a fish is

Accepted Answer

A)  less. 
B)  more. 
C)  the same. 
A)  less. 
B)  more. 
C)  the same.

Question 20

The flight of a blimp best illustrates

Accepted Answer

A)  Bernoulli's principle. 
B)  the principle of Archimedes. 
C)  Pascal's principle. 
D)  Boyle's law. 
A)  Bernoulli's principle. 
B)  the principle of Archimedes. 
C)  Pascal's principle. 
D)  Boyle's law.

Compared to the buoyant force that acts on you when you float in fresh water, the buoyant force that acts on you when you float in the dense water of the Dead Sea is

A row boat containing a barrel of water floats in a swimming pool. When the water in the barrel is poured overboard, the swimming pool level will

Buoyant force is greatest on a submerged

Compared to an empty ship, the same ship loaded with styrofoam will float

As a helium-filled balloon rises in the air, it becomes

The density of a submerged submarine is about the same as the density of

The mass of a cubic meter of water is

If a battleship sinks in a canal lock, the water level in the lock will

An ice cube floating in a glass of water contains many air bubbles. When the ice melts, the water level will

What is the buoyant force acting on a 10-ton ship floating in the ocean?

The pressure in a liquid depends on liquid

When an object is partly or wholly immersed in a liquid, it is buoyed up

The air in this room has

The buoyant force on an object is least when the object is

The volume of water displaced by a floating 20-ton boat

A suction cup sticks to a wall. It is

As a balloon rises higher and higher into the atmosphere, its

Compared to the density of water, the density of a fish is

The flight of a blimp best illustrates

About Science

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Newtons Laws of Motion

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Gravity, Projectiles, and Satellites

Temperature, Heat, and Thermodynamics

Heat Transfer and Change of Phase

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Magnetism and Electromagnetic Induction

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Properties of Light

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Physics of Rotation and Equilibrium

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Exam 7: Fluid Mechanics

Compared to the buoyant force that acts on you when you float in fresh water, the buoyant force that acts on you when you float in the dense water of the Dead Sea is

A row boat containing a barrel of water floats in a swimming pool. When the water in the barrel is poured overboard, the swimming pool level will

Buoyant force is greatest on a submerged

Compared to an empty ship, the same ship loaded with styrofoam will float

As a helium-filled balloon rises in the air, it becomes

The density of a submerged submarine is about the same as the density of

The mass of a cubic meter of water is

If a battleship sinks in a canal lock, the water level in the lock will

An ice cube floating in a glass of water contains many air bubbles. When the ice melts, the water level will

What is the buoyant force acting on a 10-ton ship floating in the ocean?

The pressure in a liquid depends on liquid

When an object is partly or wholly immersed in a liquid, it is buoyed up

The air in this room has

The buoyant force on an object is least when the object is

The volume of water displaced by a floating 20-ton boat

A suction cup sticks to a wall. It is

As a balloon rises higher and higher into the atmosphere, its

Compared to the density of water, the density of a fish is

The flight of a blimp best illustrates

About Science

Atoms

Equilibrium and Linear Motion

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Temperature, Heat, and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light Waves

Properties of Light

Quantum Theory

The Atomic Nucleus and Radioactivity

Physics of Rotation and Equilibrium

Filters