Question 1

Figure N-1
  
-When the spool is pulled to the left, it accelerates toward the

Accepted Answer

A) right, 
B) left,
Which illustrates the fact that 
C) for every force there is an equal and opposite reaction force. 
D) net force and acceleration act in the same direction. 
A) right, 
B) left,
Which illustrates the fact that 
C) for every force there is an equal and opposite reaction force. 
D) net force and acceleration act in the same direction.

Question 2

A radioactive isotope has a half-life of one week. At the end of two weeks the amount remaining is

Accepted Answer

A) none, 
B) one-eighth, 
C) one-quarter, 
D) one-half,
And at the end of three weeks the amount remaining is 
E) none.
F)one-eighth.
G)one-quarter.
H)one-half. 
A) none, 
B) one-eighth, 
C) one-quarter, 
D) one-half,
And at the end of three weeks the amount remaining is 
E) none.
F)one-eighth.
G)one-quarter.
H)one-half.

Question 3

Figure L-1
  
-The diagram is of a simple spectroscope. If lens #1 were omitted, the resulting spectrum would be

Accepted Answer

A) much dimmer. 
B) upside down. 
C) no different.
If, instead, the slit were opened too wide, the middle of the spectrum would appear 
D) white. 
E) much narrower.
F)black.
G)a broader yellow. 
A) much dimmer. 
B) upside down. 
C) no different.
If, instead, the slit were opened too wide, the middle of the spectrum would appear 
D) white. 
E) much narrower.
F)black.
G)a broader yellow.

Question 4

Which of the following expands most when temperature is decreased?

Accepted Answer

A) iron. 
B) ice water. 
C) helium. 
D) All expand the same.
Which of the following contracts most when temperature is decreased? 
E) iron
F)ice water
G)helium
H)All contract the same. 
A) iron. 
B) ice water. 
C) helium. 
D) All expand the same.
Which of the following contracts most when temperature is decreased? 
E) iron
F)ice water
G)helium
H)All contract the same.

Question 5

A gas and a plasma are similar in that they are both

Accepted Answer

A) fluids, 
B) crystalline, 
C) covalent, 
D) in cohesively bound states,
While the principle difference between a gas and a plasma has to do with 
E) atomic number.
F)density.
G)pressure.
H)electrical conduction. 
A) fluids, 
B) crystalline, 
C) covalent, 
D) in cohesively bound states,
While the principle difference between a gas and a plasma has to do with 
E) atomic number.
F)density.
G)pressure.
H)electrical conduction.

Question 6

Figure E-2
  
-A pendulum bob swings to and fro as shown in the sketch. The kinetic energy of the bob

Accepted Answer

A) is maximum at position A, 
B) is maximum at position B, 
C) is the same at all positions,
And the potential energy is maximum at position 
D) A. 
E) B.
F)is the same at all positions. 
A) is maximum at position A, 
B) is maximum at position B, 
C) is the same at all positions,
And the potential energy is maximum at position 
D) A. 
E) B.
F)is the same at all positions.

Question 7

If the sky were ordinarily yellow-orange instead of blue, then sunsets would appear

Accepted Answer

A) orange, 
B) green, 
C) blue, 
D) black,
Which has to do with 
E) the polarization of sunlight.
F)yellow-orange and sky blue being complementary colors.
G)the refraction of sunlight through the thicker atmosphere. 
A) orange, 
B) green, 
C) blue, 
D) black,
Which has to do with 
E) the polarization of sunlight.
F)yellow-orange and sky blue being complementary colors.
G)the refraction of sunlight through the thicker atmosphere.

Question 8

Figure N-2
  
-A 100-N little physics tyke hangs on the ends of a rope suspended over a pulley as shown. The tension in the rope is

Accepted Answer

A) 0 N. 
B) 50 N. 
C) 100 N. 
D) 200 N.
It is interesting to note that 
E) the tension in the rope at its midpoint (uppermost part)is 100 N.
F)this is a modified tug-o'-war example (simply draped over a pulley).
G)the net force acting on the rope is in this case identical to the child's weight. 
A) 0 N. 
B) 50 N. 
C) 100 N. 
D) 200 N.
It is interesting to note that 
E) the tension in the rope at its midpoint (uppermost part)is 100 N.
F)this is a modified tug-o'-war example (simply draped over a pulley).
G)the net force acting on the rope is in this case identical to the child's weight.

Question 9

Figure M-5
  
-When the bent wire is lowered in the water and then raised to the surface, a further attempt to raise it causes the spring to

Accepted Answer

A) stretch 
B) contract 
C) stay the same
Due to water's 
D) buoyant force. 
E) surface tension.
F)capillarity. 
A) stretch 
B) contract 
C) stay the same
Due to water's 
D) buoyant force. 
E) surface tension.
F)capillarity.

Question 10

A car increases its speed from 60 to 65 miles per hour in the same time that a bicycle increases its speed from rest to 5 miles per hour. Acceleration is

Accepted Answer

A) greater for the car, 
B) greater for the bicycle, 
C) the same for each,
Principally because 
D) the car undergoes the greater change in velocity. 
E) the bicycle has considerably less mass.
F)both undergo equal increases in velocity during the same interval of time. 
A) greater for the car, 
B) greater for the bicycle, 
C) the same for each,
Principally because 
D) the car undergoes the greater change in velocity. 
E) the bicycle has considerably less mass.
F)both undergo equal increases in velocity during the same interval of time.

Question 11

A horizontal 100-N force exerted against a 1000-N block causes the block to slide on a level surface with constant velocity. The friction force on the block must be

Accepted Answer

A) zero. 
B) 100 N. 
C) 1000 N. 
D) greater than 1000 N.
In this case the pushing force and the friction force are 
E) equal but oppositely directed.
F)an action-reaction pair.
G)both of these.
H)none of these. 
A) zero. 
B) 100 N. 
C) 1000 N. 
D) greater than 1000 N.
In this case the pushing force and the friction force are 
E) equal but oppositely directed.
F)an action-reaction pair.
G)both of these.
H)none of these.

Question 12

The speedometer of a car indicates a constant speed of 30 miles per hour. From this we can say that the acceleration of the car is

Accepted Answer

A) zero. 
B) nonzero. 
C) can't really say.
This is because 
D) no net force is acting on the car. 
E) any reading (other than zero)on the speedometer indicates acceleration.
F)the car may be changing its direction. 
A) zero. 
B) nonzero. 
C) can't really say.
This is because 
D) no net force is acting on the car. 
E) any reading (other than zero)on the speedometer indicates acceleration.
F)the car may be changing its direction.

Question 13

The force required to maintain a body at constant velocity in free space is equal to

Accepted Answer

A) the mass of the body. 
B) zero. 
C) the weight of the body. 
D) the force required to stop it. 
E) none of these.
This is in accordance with the law of
F)inertia.
G)action/reaction.
H)gravitation.
I)energy conservation. 
A) the mass of the body. 
B) zero. 
C) the weight of the body. 
D) the force required to stop it. 
E) none of these.
This is in accordance with the law of
F)inertia.
G)action/reaction.
H)gravitation.
I)energy conservation.

Question 14

A ball is thrown against a wall, bounces off, and is caught. The number of impulses acting on the ball is

Accepted Answer

A) one. 
B) two. 
C) three. 
D) none.
The greatest impulse occurs when the ball 
E) is thrown.
F)bounces against the wall.
G)is caught.
H)is zero for each.
I)is nonzero, but the same for each case. 
A) one. 
B) two. 
C) three. 
D) none.
The greatest impulse occurs when the ball 
E) is thrown.
F)bounces against the wall.
G)is caught.
H)is zero for each.
I)is nonzero, but the same for each case.

Question 15

According to special relativity

Accepted Answer

A) space and time are aspects of each other. 
B) mass and energy are aspects of each other, 
C) both of the above, 
D) neither of the above,
And the underlying postulate of special relativity is 
E) F = ma.
F)E = mc2.
G)that the speed of light has a constant value for all observers. 
A) space and time are aspects of each other. 
B) mass and energy are aspects of each other, 
C) both of the above, 
D) neither of the above,
And the underlying postulate of special relativity is 
E) F = ma.
F)E = mc2.
G)that the speed of light has a constant value for all observers.

Question 16

Strictly speaking, if a beam of white light is shone through a piece of very thick glass, the first color to emerge from the other side is

Accepted Answer

A) white. 
B) violet. 
C) red. 
D) green.
This is because 
E) all frequencies travel at c.
F)lower frequencies undergo more refraction in a medium.
G)higher frequencies of light travel at a faster average speed through a medium.
H)higher frequencies of light interact with more molecules in a medium. 
A) white. 
B) violet. 
C) red. 
D) green.
This is because 
E) all frequencies travel at c.
F)lower frequencies undergo more refraction in a medium.
G)higher frequencies of light travel at a faster average speed through a medium.
H)higher frequencies of light interact with more molecules in a medium.

Question 17

The principal difference between a gas and a plasma has to do with

Accepted Answer

A) the kinds of elements involved, 
B) interatomic spacing, 
C) electrical conduction, 
D) fluid pressure, 
E) the proportion of antimatter,
While the principal difference between a liquid and a gas has to do with
F)the kinds of elements involved.
G)interatomic spacing.
H)electrical conduction.
I)fluid pressure.
10)the proportion of antimatter. 
A) the kinds of elements involved, 
B) interatomic spacing, 
C) electrical conduction, 
D) fluid pressure, 
E) the proportion of antimatter,
While the principal difference between a liquid and a gas has to do with
F)the kinds of elements involved.
G)interatomic spacing.
H)electrical conduction.
I)fluid pressure.
10)the proportion of antimatter.

Question 18

Figure S-4
  
-A supersonic aircraft flies between observers A and B as shown. The resulting sonic boom will soon be heard by

Accepted Answer

A) only observer A. 
B) only observer B. 
C) both A and B. 
D) neither A nor B.
The intensity of the sonic boom depends on the 
E) speed of the aircraft.
F)size of the aircraft.
G)distance from the aircraft.
H)all of the above.
I)none of the above. 
A) only observer A. 
B) only observer B. 
C) both A and B. 
D) neither A nor B.
The intensity of the sonic boom depends on the 
E) speed of the aircraft.
F)size of the aircraft.
G)distance from the aircraft.
H)all of the above.
I)none of the above.

Question 19

An umbrella has a tendency to move upward when it is windy principally because

Accepted Answer

A) moving air over the curved surface produces reduced pressure against its top. 
B) air moves up into the "bowl" and pushes upward with increased pressure. 
C) buoyancy increases with increasing wind speed. 
D) the umbrella is simply pushed upward by the wind.
This effect was first accurately described by 
E) Galileo.
F)Newton.
G)Bernoulli.
H)Einstein.
I)Archimedes. 
A) moving air over the curved surface produces reduced pressure against its top. 
B) air moves up into the "bowl" and pushes upward with increased pressure. 
C) buoyancy increases with increasing wind speed. 
D) the umbrella is simply pushed upward by the wind.
This effect was first accurately described by 
E) Galileo.
F)Newton.
G)Bernoulli.
H)Einstein.
I)Archimedes.

Question 20

Strictly speaking, from the point of view of a person on the ground floor of a tall skyscraper, a person at the top ages

Accepted Answer

A) more slowly, 
B) faster, 
C) the same,
And from the point of view of a person at the top of the skyscraper, the person at the ground level ages 
D) more slowly. 
E) faster.
F)the same. 
A) more slowly, 
B) faster, 
C) the same,
And from the point of view of a person at the top of the skyscraper, the person at the ground level ages 
D) more slowly. 
E) faster.
F)the same.

Exam 37: Systems of Measurement

Figure N-1 -When the spool is pulled to the left, it accelerates toward the

A radioactive isotope has a half-life of one week. At the end of two weeks the amount remaining is

Figure L-1 -The diagram is of a simple spectroscope. If lens #1 were omitted, the resulting spectrum would be

Which of the following expands most when temperature is decreased?

A gas and a plasma are similar in that they are both

Figure E-2 -A pendulum bob swings to and fro as shown in the sketch. The kinetic energy of the bob

If the sky were ordinarily yellow-orange instead of blue, then sunsets would appear

Figure N-2 -A 100-N little physics tyke hangs on the ends of a rope suspended over a pulley as shown. The tension in the rope is

Figure M-5 -When the bent wire is lowered in the water and then raised to the surface, a further attempt to raise it causes the spring to

A car increases its speed from 60 to 65 miles per hour in the same time that a bicycle increases its speed from rest to 5 miles per hour. Acceleration is

A horizontal 100-N force exerted against a 1000-N block causes the block to slide on a level surface with constant velocity. The friction force on the block must be

The speedometer of a car indicates a constant speed of 30 miles per hour. From this we can say that the acceleration of the car is

The force required to maintain a body at constant velocity in free space is equal to

A ball is thrown against a wall, bounces off, and is caught. The number of impulses acting on the ball is

According to special relativity

Strictly speaking, if a beam of white light is shone through a piece of very thick glass, the first color to emerge from the other side is

The principal difference between a gas and a plasma has to do with

Figure S-4 -A supersonic aircraft flies between observers A and B as shown. The resulting sonic boom will soon be heard by

An umbrella has a tendency to move upward when it is windy principally because

Strictly speaking, from the point of view of a person on the ground floor of a tall skyscraper, a person at the top ages

About Science

Newtons First Law of Motion: Inertia

Linear Motion

Newtons Second Law of Motion

Newtons Third Law of Motion: Action and Reaction

Momentum

Energy

Rotational Motion

Gravity

Projectile and Satellite Motion

Atomic Nature of Matter

Solids

Liquids

Gases and Plasmas

Temperature, Heat, and Expansion

Heat Transfer

Change of Phase

Thermodynamics

Vibrations and Waves

Sound

Musical Sounds

Electrostatics

Electric Current

Magnetism

Electromagnetic Induction

Properties of Light

Color

Reflection and Refraction

Light Waves

Light Emission

Light Quanta

The Atom and the Quantum

Atomic Nucleus and Radioactivity

Nuclear Fission and Fusion

Special Theory of Relativity

General Theory of Relativity

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