Question 1

A stonecutter's chisel has an edge area of 0.45 cm2.If the chisel is struck with a force of 48 N,what is the pressure exerted on the stone?

Accepted Answer

A)  1 067 Pa 
B)  10 670 Pa 
C)  106 700 Pa 
D)  1 067 000 Pa 
E)  ​533 500 Pa 
A)  1 067 Pa 
B)  10 670 Pa 
C)  106 700 Pa 
D)  1 067 000 Pa 
E)  ​533 500 Pa

Question 2

In an elastic solid there is a direct proportionality between strain and:

Accepted Answer

A)  elastic modulus. 
B)  temperature. 
C)  cross-sectional area. 
D)  stress. 
A)  elastic modulus. 
B)  temperature. 
C)  cross-sectional area. 
D)  stress.

Question 3

Which state of matter is associated with the very highest of temperatures?

Accepted Answer

A)  liquid 
B)  plasma 
C)  gas 
D)  solid 
A)  liquid 
B)  plasma 
C)  gas 
D)  solid

Question 4

A hole is poked through the metal side of a drum holding water.The hole is 18 cm below the water surface.What is the initial speed of outflow?

Accepted Answer

A)  1.9 m/s 
B)  18.8 m/s 
C)  0.6 m/s 
D)  3.5 m/s 
E)  ​1.3 m/s 
A)  1.9 m/s 
B)  18.8 m/s 
C)  0.6 m/s 
D)  3.5 m/s 
E)  ​1.3 m/s

Question 5

A 13 500-N car on a hydraulic lift rests on a cylinder with a piston of radius 0.10 m.If a connecting cylinder with a piston of 0.050-m radius is driven by compressed air,what force must be applied to this smaller piston in order to lift the car?

Accepted Answer

A)  3 375 N 
B)  54 N 
C)  3 875 N 
D)  3 275 N 
E)  ​13 500 N 
A)  3 375 N 
B)  54 N 
C)  3 875 N 
D)  3 275 N 
E)  ​13 500 N

Question 6

The Garfield Thomas water tunnel at Pennsylvania State University has a circular cross-section that constricts from a diameter of 3.6 m to the test section,which is 1.2 m in diameter.If the speed of flow is 3.5 m/s in the large-diameter pipe,determine the speed of flow in the test section.

Accepted Answer

A)  0.4 m/s 
B)  3.5 m/s 
C)  32 m/s 
D)  4 m/s 
E)  ​34 m/s 
A)  0.4 m/s 
B)  3.5 m/s 
C)  32 m/s 
D)  4 m/s 
E)  ​34 m/s

Question 7

At a pressure of 1 atmosphere a column of mercury in a barometer is supported to the height h = 0.76 m.The density of mercury is 13.6 × 103 kg/m3.A barometer of similar design filled with water would support a column of water how high at a pressure of 1 atmosphere?

Accepted Answer

A)  more than ten times h 
B)  about 1.36 h 
C)  less than one tenth h 
D)  the same height h 
A)  more than ten times h 
B)  about 1.36 h 
C)  less than one tenth h 
D)  the same height h

Question 8

The quantity "pressure" expressed in terms of the fundamental quantities (mass,length,time)is equivalent to:

Accepted Answer

A)  MLT−1. 
B)  ML−1T−2. 
C)  M2L−1T−3. 
D)  a dimensionless quantity. 
A)  MLT−1. 
B)  ML−1T−2. 
C)  M2L−1T−3. 
D)  a dimensionless quantity.

Question 9

Water comes down the spillway of a dam from an initial vertical height of 165 m.What is the highest possible speed of the water at the end of the spillway?

Accepted Answer

A)  6 m/s 
B)  18 m/s 
C)  57 m/s 
D)  1 617 m/s 
E)  ​3 234 m/s 
A)  6 m/s 
B)  18 m/s 
C)  57 m/s 
D)  1 617 m/s 
E)  ​3 234 m/s

Question 10

A uniform pressure of 6.9 × 105 N/m2 is applied to all six sides of a copper cube.What is the percentage change in volume of the cube? (for copper,B = 14 × 1010 N/m2)

Accepted Answer

A)  1.2 × 10−2 % 
B)  0.9 × 10−2 % 
C)  2.0 × 10−2 % 
D)  0.5 × 10−3 % 
E)  ​0.0 × 10−3 % 
A)  1.2 × 10−2 % 
B)  0.9 × 10−2 % 
C)  2.0 × 10−2 % 
D)  0.5 × 10−3 % 
E)  ​0.0 × 10−3 %

Question 11

A solid object is made of two materials,one material having density of 2 000 kg/m3 and the other having density of 5 500 kg/m3.If the object contains equal masses of the materials,what is its average density?

Accepted Answer

A)  2 933 kg/m3 
B)  3 750 kg/m3 
C)  3 933 kg/m3 
D)  7 500 kg/m3 
E)  more information is needed​ 
A)  2 933 kg/m3 
B)  3 750 kg/m3 
C)  3 933 kg/m3 
D)  7 500 kg/m3 
E)  more information is needed​

Question 12

As ice floats in water,about 10% of the ice floats above the surface of the water.If we float some ice in a glass of water,what will happen to the water level as the ice melts?

Accepted Answer

A)  The water level will rise 10% of the volume of the ice that melts. 
B)  The water level will rise,but not as much as the 10% indicated in answer 
C)  The water level will remain unchanged. 
D)  The water level will become lower. 
A)  The water level will rise 10% of the volume of the ice that melts. 
B)  The water level will rise,but not as much as the 10% indicated in answer 
C)  The water level will remain unchanged. 
D)  The water level will become lower.

Question 13

Atmospheric pressure is 1.0 × 105 N/m2,and the density of air is 1.29 kg/m3.If the density of air is constant as you get higher and higher,calculate the height of the atmosphere needed to produce this pressure.

Accepted Answer

A)  7 900 m 
B)  77 000 m 
C)  1 260 m 
D)  10 300 m 
A)  7 900 m 
B)  77 000 m 
C)  1 260 m 
D)  10 300 m

Question 14

Which of the following characterizes the net force on a particle falling through a fluid at its terminal speed?

Accepted Answer

A)  It is at a maximum. 
B)  It is upwards. 
C)  It is downwards. 
D)  It is zero. 
A)  It is at a maximum. 
B)  It is upwards. 
C)  It is downwards. 
D)  It is zero.

Question 15

A blimp is filled with 430 m3 of helium.How big a payload can the balloon lift? (The density of air is 1.29 kg/m3;the density of helium is 0.18 kg/m3. )

Accepted Answer

A)  387 kg 
B)  555 kg 
C)  77 kg 
D)  477 kg 
E)  ​632 kg 
A)  387 kg 
B)  555 kg 
C)  77 kg 
D)  477 kg 
E)  ​632 kg

Question 16

Water is sent from a fire hose at 35 m/s at an angle of 30° above the horizontal.What is the maximum height reached by the water?

Accepted Answer

A)  8 m 
B)  16 m 
C)  31 m 
D)  306 m 
E)  ​62 m 
A)  8 m 
B)  16 m 
C)  31 m 
D)  306 m 
E)  ​62 m

Question 17

The flow rate of blood through the average human aorta,of radius 1.0 cm,is about 90 cm3/s.What is the speed of the blood flow through the aorta?

Accepted Answer

A)  14 cm/s 
B)  32 cm/s 
C)  37 cm/s 
D)  29 cm/s 
A)  14 cm/s 
B)  32 cm/s 
C)  37 cm/s 
D)  29 cm/s

Question 18

An ideal fluid flows through a pipe made of two sections with diameters of 1.0 and 4.0 inches,respectively.The speed of the fluid flow through the 4.0-inch section will be what factor times that through the 1.0-inch section?

Accepted Answer

A)  16 
B)  8 
C)  15 
D) 
  
E)  ​
  
A)  16 
B)  8 
C)  15 
D) 
  
E)  ​

Question 19

By what factor is the total pressure greater at a depth of 810 m in water than at the surface where pressure is one atmosphere? (water density = 1.0 × 103 kg/m3,1 atmosphere pressure = 1.01 × 105 N/m2,and g = 9.8 m/s2)

Accepted Answer

A)  8 
B)  79 
C)  89 
D)  69 
E)  ​7 938 
A)  8 
B)  79 
C)  89 
D)  69 
E)  ​7 938

Question 20

The bottom of a flat-bottomed aluminum boat has area = 4.2 m2 and mass = 60 kg.If two fishermen and their fishing gear with total mass of 315 kg are placed in the boat,how much lower will the boat ride in the water? (H2O density = 1.0 × 103 kg/m3)

Accepted Answer

A)  0.014 m 
B)  0.061 m 
C)  0.075 m 
D)  0.089 m 
E)  ​1.323 m 
A)  0.014 m 
B)  0.061 m 
C)  0.075 m 
D)  0.089 m 
E)  ​1.323 m

Exam 9: Solids and Fluids

A stonecutter's chisel has an edge area of 0.45 cm2.If the chisel is struck with a force of 48 N,what is the pressure exerted on the stone?

In an elastic solid there is a direct proportionality between strain and:

Which state of matter is associated with the very highest of temperatures?

A hole is poked through the metal side of a drum holding water.The hole is 18 cm below the water surface.What is the initial speed of outflow?

A 13 500-N car on a hydraulic lift rests on a cylinder with a piston of radius 0.10 m.If a connecting cylinder with a piston of 0.050-m radius is driven by compressed air,what force must be applied to this smaller piston in order to lift the car?

The Garfield Thomas water tunnel at Pennsylvania State University has a circular cross-section that constricts from a diameter of 3.6 m to the test section,which is 1.2 m in diameter.If the speed of flow is 3.5 m/s in the large-diameter pipe,determine the speed of flow in the test section.

At a pressure of 1 atmosphere a column of mercury in a barometer is supported to the height h = 0.76 m.The density of mercury is 13.6 × 103 kg/m3.A barometer of similar design filled with water would support a column of water how high at a pressure of 1 atmosphere?

The quantity "pressure" expressed in terms of the fundamental quantities (mass,length,time)is equivalent to:

Water comes down the spillway of a dam from an initial vertical height of 165 m.What is the highest possible speed of the water at the end of the spillway?

A uniform pressure of 6.9 × 105 N/m2 is applied to all six sides of a copper cube.What is the percentage change in volume of the cube? (for copper,B = 14 × 1010 N/m2)

A solid object is made of two materials,one material having density of 2 000 kg/m3 and the other having density of 5 500 kg/m3.If the object contains equal masses of the materials,what is its average density?

As ice floats in water,about 10% of the ice floats above the surface of the water.If we float some ice in a glass of water,what will happen to the water level as the ice melts?

Atmospheric pressure is 1.0 × 105 N/m2,and the density of air is 1.29 kg/m3.If the density of air is constant as you get higher and higher,calculate the height of the atmosphere needed to produce this pressure.

Which of the following characterizes the net force on a particle falling through a fluid at its terminal speed?

A blimp is filled with 430 m3 of helium.How big a payload can the balloon lift? (The density of air is 1.29 kg/m3;the density of helium is 0.18 kg/m3. )

Water is sent from a fire hose at 35 m/s at an angle of 30° above the horizontal.What is the maximum height reached by the water?

The flow rate of blood through the average human aorta,of radius 1.0 cm,is about 90 cm3/s.What is the speed of the blood flow through the aorta?

An ideal fluid flows through a pipe made of two sections with diameters of 1.0 and 4.0 inches,respectively.The speed of the fluid flow through the 4.0-inch section will be what factor times that through the 1.0-inch section?

By what factor is the total pressure greater at a depth of 810 m in water than at the surface where pressure is one atmosphere? (water density = 1.0 × 103 kg/m3,1 atmosphere pressure = 1.01 × 105 N/m2,and g = 9.8 m/s2)

The bottom of a flat-bottomed aluminum boat has area = 4.2 m2 and mass = 60 kg.If two fishermen and their fishing gear with total mass of 315 kg are placed in the boat,how much lower will the boat ride in the water? (H2O density = 1.0 × 103 kg/m3)

Introduction

Introduction: Part A

Motion in One Dimension

Motion in One Dimension: Part A

Vectors and Two-Dimensional Motion

Vectors and Two-Dimensional Motion: Part A

The Laws of Motion

The Laws of Motion: Part A

Energy

Energy: Part A

Momentum and Collisions

Momentum and Collisions: Part A

Rotational Motion and the Law of Gravity

Rotational Motion and the Law of Gravity: Part A

Rotational Equilibrium and Rotational Dynamics

Rotational Equilibrium and Rotational Dynamics: Part A

Solids and Fluids: Part A

Thermal Physics

Thermal Physics: Part A

Energy in Thermal Processes Heat and Internal Energy

Energy in Thermal Processes Heat and Internal Energy: Part A

The Laws of Thermodynamics Work in Thermodynamic Processes

The Laws of Thermodynamics Work in Thermodynamic Processes: Part A

Vibrations and Waves

Vibrations and Waves: Part A

Sound

Sound: Part A

Electric Forces and Electric Fields

Electric Forces and Electric Fields: Part A

Electrical Energy and Capacitance

Electrical Energy and Capacitance: Part A

Current and Resistance Electric Current

Current and Resistance Electric Current: Part A

Direct-Current Circuits Sources of EMF

Direct-Current Circuits Sources of EMF: Part A

Magnetism Magnets

Magnetism Magnets: Part A

Induced Voltages and Inductance

Induced Voltages and Inductance: Part A

Alternating-Current Circuits and Electromagnetic Waves

Alternating-Current Circuits and Electromagnetic Waves: Part A

Reflection and Refraction of Light

Reflection and Refraction of Light: Part A

Mirrors and Lenses

Mirrors and Lenses: Part A

Wave Optics

Wave Optics: Part A

Optical Instruments

Optical Instruments: Part A

Relativity

Relativity: Part A

Quantum Physics Blackbody Radiation and Plancks Hypothesis

Quantum Physics Blackbody Radiation and Plancks Hypothesis: Part A

Atomic Physics

Atomic Physics: Part A

Nuclear Physics

Nuclear Physics: Part A

Nuclear Energy and Elementary Particles

Nuclear Energy and Elementary Particles: Part A

A stonecutter's chisel has an edge area of 0.45 cm².If the chisel is struck with a force of 48 N,what is the pressure exerted on the stone?

At a pressure of 1 atmosphere a column of mercury in a barometer is supported to the height h = 0.76 m.The density of mercury is 13.6 × 10³ kg/m³.A barometer of similar design filled with water would support a column of water how high at a pressure of 1 atmosphere?

A uniform pressure of 6.9 × 10⁵ N/m² is applied to all six sides of a copper cube.What is the percentage change in volume of the cube? (for copper,B = 14 × 10¹⁰ N/m²)

A solid object is made of two materials,one material having density of 2 000 kg/m³ and the other having density of 5 500 kg/m³.If the object contains equal masses of the materials,what is its average density?

Atmospheric pressure is 1.0 × 10⁵ N/m²,and the density of air is 1.29 kg/m³.If the density of air is constant as you get higher and higher,calculate the height of the atmosphere needed to produce this pressure.

A blimp is filled with 430 m³ of helium.How big a payload can the balloon lift? (The density of air is 1.29 kg/m³;the density of helium is 0.18 kg/m³. )

The flow rate of blood through the average human aorta,of radius 1.0 cm,is about 90 cm³/s.What is the speed of the blood flow through the aorta?

By what factor is the total pressure greater at a depth of 810 m in water than at the surface where pressure is one atmosphere? (water density = 1.0 × 10³ kg/m³,1 atmosphere pressure = 1.01 × 10⁵ N/m²,and g = 9.8 m/s²)

The bottom of a flat-bottomed aluminum boat has area = 4.2 m² and mass = 60 kg.If two fishermen and their fishing gear with total mass of 315 kg are placed in the boat,how much lower will the boat ride in the water? (H₂O density = 1.0 × 10³ kg/m³)