Question 1

If a weighted air-filled balloon sinks in deep water,it will

Accepted Answer

A)  likely sink to an equilibrium level before reaching the bottom.
B)  likely burst if water pressure is great enough.
C)  become less dense as it sinks.
D)  be acted on by a continually decreasing buoyant force.
E)  none of the aboveF) D) and E)
G) B) and E)

Question 2

Which has the greater density,a lake full of water or a cupful of lake water?

Accepted Answer

A)  the cupful of lake water
B)  the lake
C)  both have the same densityD) A) and B)
E) B) and C)

Question 3

What is the weight of water displaced by a 100-ton floating ship?

Accepted Answer

A)  less than 100 tons
B)  100 tons
C)  more than 100 tons
D)  100 cubic meters
E)  depends on the density of waterF) A) and D)
G) A) and C)

Question 4

Compared to the density of a kilogram of feathers,the density of a kilogram of lead is

Accepted Answer

A)  less.
B)  greater.
C)  the same.D) All of the above
E) A) and B)

Question 5

A rock suspended by a weighing scale weighs 3 N when submerged in water and 5 N out of water.What is the buoyant force on the rock?

Accepted Answer

A)  8 N
B)  5 N
C)  3 N
D)  2 N
E)  none of the aboveF) A) and E)
G) D) and E)

Question 6

As a high-altitude balloon sinks lower and lower into the atmosphere it undergoes a decrease in

Accepted Answer

A)  volume.
B)  density.
C)  weight.
D)  mass.
E)  none of the aboveF) C) and D)
G) B) and D)

Question 7

An ice cube that contains small pieces of iron floats on water.When the ice melts,the water level

Accepted Answer

A)  rises.
B)  falls.
C)  remains unchanged.D) A) and B)
E) All of the above

Question 8

To multiply an applied force while using a simple hydraulic lift,your force should be applied to the

Accepted Answer

A)  large-diameter piston.
B)  small-diameter piston.
C)  relative piston sizes don't matterD) A) and B)
E) A) and C)

Exam 5: Fluid Mechanics

As a high-altitude balloon sinks lower and lower into the atmosphere it undergoes a decrease in

Correct Answer
verified

To multiply an applied force while using a simple hydraulic lift,your force should be applied to the

Correct Answer
verified

An ice cube that contains small pieces of iron floats on water.When the ice melts,the water level

Correct Answer
verified

A rock suspended by a weighing scale weighs 3 N when submerged in water and 5 N out of water.What is the buoyant force on the rock?

Correct Answer
verified

If a weighted air-filled balloon sinks in deep water,it will

Correct Answer
verified

Which has the greater density,a lake full of water or a cupful of lake water?

Correct Answer
verified

Compared to the density of a kilogram of feathers,the density of a kilogram of lead is

Correct Answer
verified

What is the weight of water displaced by a 100-ton floating ship?

Correct Answer
verified

Exam 5: Fluid Mechanics

As a high-altitude balloon sinks lower and lower into the atmosphere it undergoes a decrease in

Correct AnswerverifiedShow Answer

To multiply an applied force while using a simple hydraulic lift,your force should be applied to the

Correct AnswerverifiedShow Answer

An ice cube that contains small pieces of iron floats on water.When the ice melts,the water level

Correct AnswerverifiedShow Answer

A rock suspended by a weighing scale weighs 3 N when submerged in water and 5 N out of water.What is the buoyant force on the rock?

Correct AnswerverifiedShow Answer

If a weighted air-filled balloon sinks in deep water,it will

Correct AnswerverifiedShow Answer

Which has the greater density,a lake full of water or a cupful of lake water?

Correct AnswerverifiedShow Answer

Compared to the density of a kilogram of feathers,the density of a kilogram of lead is

Correct AnswerverifiedShow Answer

What is the weight of water displaced by a 100-ton floating ship?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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