Question 1

As a spaceship nears the Moon, its mass

Accepted Answer

A) varies slightly with distance, 
B) increases, 
C) decreases, 
D) remains unchanged,
While the Moon's gravitation force on the ship 
E) increases.
F)decreases.
G)remains unchanged. 
A) varies slightly with distance, 
B) increases, 
C) decreases, 
D) remains unchanged,
While the Moon's gravitation force on the ship 
E) increases.
F)decreases.
G)remains unchanged.

Question 2

Figure M-4
  
-A certain force is required to keep a block of wood 1 m beneath the surface of water. The force required to keep it 2 m deep is

Accepted Answer

A) zero. 
B) the same. 
C) twice as much. 
D) four times as much.
This is because 
E) pressure increases with increased depth.
F)it displaces the same weight of water at any depth.
G)wood floats.
H)surface tension is not present beneath the surface. 
A) zero. 
B) the same. 
C) twice as much. 
D) four times as much.
This is because 
E) pressure increases with increased depth.
F)it displaces the same weight of water at any depth.
G)wood floats.
H)surface tension is not present beneath the surface.

Question 3

When heavy elements such as uranium undergo fission, there is an accompanying

Accepted Answer

A) loss of mass, 
B) gain of mass, 
C) no change in mass,
And when light elements such as hydrogen undergo fusion, there is an accompanying 
D) loss of mass. 
E) gain of mass.
F)no change in mass. 
A) loss of mass, 
B) gain of mass, 
C) no change in mass,
And when light elements such as hydrogen undergo fusion, there is an accompanying 
D) loss of mass. 
E) gain of mass.
F)no change in mass.

Question 4

If you are standing on the Moon and release a strong balloon filled with helium gas, the balloon will

Accepted Answer

A) rise. 
B) fall. 
C) neither rise nor fall.
This occurs because 
D) helium gas is lighter than air. 
E) the Moon does not have an atmosphere.
F)gravity is weaker on the Moon. 
A) rise. 
B) fall. 
C) neither rise nor fall.
This occurs because 
D) helium gas is lighter than air. 
E) the Moon does not have an atmosphere.
F)gravity is weaker on the Moon.

Question 5

Figure V-5
  
-A small railroad car is pulled by a rope as shown in the sketch (top view). The force F that the rope exerts on the car has a component along the track and another component perpendicular to the track. Judging from the diagram, the larger of these two components would be

Accepted Answer

A) along the track. 
B) perpendicular to the track.
These components will be equal if 
C) the rope makes an angle of 45° with the track. 
D) the rope is pulled in a direction along the track, rather than at an angle to it. 
E) they form an action-reaction pair on the car.
F)but they can never really be equal. 
A) along the track. 
B) perpendicular to the track.
These components will be equal if 
C) the rope makes an angle of 45° with the track. 
D) the rope is pulled in a direction along the track, rather than at an angle to it. 
E) they form an action-reaction pair on the car.
F)but they can never really be equal.

Question 6

Which of the following contracts the most when temperature is decreased?

Accepted Answer

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

Question 7

Figure N-3
  
-If an 800-N man hangs motionless from four vertical strands of rope, then the tension in each strand of rope is

Accepted Answer

A) 0 N 
B) 200 N 
C) 400 N 
D) 800 N
Which results in a net force on the man of 
E) 0 N.
F)200 N.
G)400 N.
H)800 N. 
A) 0 N 
B) 200 N 
C) 400 N 
D) 800 N
Which results in a net force on the man of 
E) 0 N.
F)200 N.
G)400 N.
H)800 N.

Question 8

Figure N-11
  
-As the ball rolls from the straight path from A to B its velocity increases and its acceleration

Accepted Answer

A) increases, 
B) decreases, 
C) remains constant,
And as it rolls from B to C its acceleration along the path 
D) increases. 
E) decreases.
F)remains constant. 
A) increases, 
B) decreases, 
C) remains constant,
And as it rolls from B to C its acceleration along the path 
D) increases. 
E) decreases.
F)remains constant.

Question 9

Sound travels through the air in the form of

Accepted Answer

A) transverse waves, 
B) longitudinal waves,
And radio signals travel through the air in the form of 
C) transverse waves. 
D) longitudinal waves. 
A) transverse waves, 
B) longitudinal waves,
And radio signals travel through the air in the form of 
C) transverse waves. 
D) longitudinal waves.

Question 10

Buoyant force is greater on a submerged

Accepted Answer

A) 1-kg block of lead. 
B) 1-kg block of aluminum. 
C) same on each
Because 
D) the aluminum block is larger. 
E) they both have the same weight. 
A) 1-kg block of lead. 
B) 1-kg block of aluminum. 
C) same on each
Because 
D) the aluminum block is larger. 
E) they both have the same weight.

Question 11

A rifle is fired straight downward from a high-altitude balloon. If the bullet leaves the barrel at 100 m/s, then its speed one second later (neglecting air resistance)will be about

Accepted Answer

A) 10 m/s 
B) 100 m/s 
C) 105 m/s 
D) 110 m/s
And its distance below will be about 
E) 5 m.
F)100 m.
G)105 m.
H)110 m.
I)120 m. 
A) 10 m/s 
B) 100 m/s 
C) 105 m/s 
D) 110 m/s
And its distance below will be about 
E) 5 m.
F)100 m.
G)105 m.
H)110 m.
I)120 m.

Question 12

A baseball is thrown straight upward. At the very top of its trajectory its instantaneous velocity is zero and its acceleration is

Accepted Answer

A) zero. 
B) 10 m/s2. 
C) between zero and 10 m/s2. 
D) none of these.
We can better understand this by noting that when it is at its highest point 
E) there momentarily is no motion.
F)its rate of change of motion is still 10 m/s2.
G)although its velocity is not changing, its direction is. 
A) zero. 
B) 10 m/s2. 
C) between zero and 10 m/s2. 
D) none of these.
We can better understand this by noting that when it is at its highest point 
E) there momentarily is no motion.
F)its rate of change of motion is still 10 m/s2.
G)although its velocity is not changing, its direction is.

Question 13

In the absence of air resistance, a projectile launched at the same speed at any angle will attain the greatest range when projected at

Accepted Answer

A) 30°. 
B) 45°. 
C) 60°. 
D) 90°.
In the case of throwing a heavy spear, not at the same speed but with the same force, the greatest range is attained more likely when thrown at 
E) 30°
F)45°
G)60°
H)90° 
A) 30°. 
B) 45°. 
C) 60°. 
D) 90°.
In the case of throwing a heavy spear, not at the same speed but with the same force, the greatest range is attained more likely when thrown at 
E) 30°
F)45°
G)60°
H)90°

Question 14

If you push with 200 N of force against your 1500-N refrigerator and it slides across your kitchen floor at constant velocity, friction of the floor against the refrigerator must be

Accepted Answer

A) zero, 
B) 200 N, 
C) 1300 N, 
D) 1500 N, 
E) greater than 1500 N,
And the force with which you push must be
F)equal and oppositely directed to the friction force.
G)the action force, and the friction the reaction force.
H)both of these.
I)none of these. 
A) zero, 
B) 200 N, 
C) 1300 N, 
D) 1500 N, 
E) greater than 1500 N,
And the force with which you push must be
F)equal and oppositely directed to the friction force.
G)the action force, and the friction the reaction force.
H)both of these.
I)none of these.

Question 15

Figure E-1
  
-A marble rolls back and forth along the path shown. When it is at position B, its kinetic energy is

Accepted Answer

A) maximum, 
B) minimum, 
C) midway between maximum and minimum,
Its momentum is 
D) maximum.. 
E) minimum..
F)midway between..maximum and minimum,
And its potential energy is
G)maximum.
H)minimum.
I)midway between. 
maximum and minimum 
A) maximum, 
B) minimum, 
C) midway between maximum and minimum,
Its momentum is 
D) maximum.. 
E) minimum..
F)midway between..maximum and minimum,
And its potential energy is
G)maximum.
H)minimum.
I)midway between. 
maximum and minimum

Question 16

Figure V-6
  
-The boat that will sail fastest in the intended direction is

Accepted Answer

A) 1, 
B) 2, 
C) 3, 
D) 4,
And the boat that responds least to the wind is 
E) 1.
F)2.
G)3.
H)4. 
A) 1, 
B) 2, 
C) 3, 
D) 4,
And the boat that responds least to the wind is 
E) 1.
F)2.
G)3.
H)4.

Question 17

In referring to how much matter a body contains, we use the term

Accepted Answer

A) volume 
B) mass 
C) weight
And the force of gravitational attraction upon a body is 
D) weight. 
E) volume.
F)mass. 
A) volume 
B) mass 
C) weight
And the force of gravitational attraction upon a body is 
D) weight. 
E) volume.
F)mass.

Question 18

Figure S-1
  
-Which wave has the greatest period of oscillation?

Accepted Answer

A) Wave I. 
B) Wave II. 
C) Wave III. 
D) Wave IV.
If the waves have the same frequency, which is going by with the greatest speed? 
E) Wave I
F)Wave II
G)Wave III
H)Wave IV
I)all have the same speed 
A) Wave I. 
B) Wave II. 
C) Wave III. 
D) Wave IV.
If the waves have the same frequency, which is going by with the greatest speed? 
E) Wave I
F)Wave II
G)Wave III
H)Wave IV
I)all have the same speed

Question 19

An astronaut falling into a black hole would see events toward the singularity

Accepted Answer

A) red shifted, 
B) blue shifted, 
C) with no shift,
And she would see events from the outside normal universe 
D) red shifted. 
E) blue shifted.
F)with no shift. 
A) red shifted, 
B) blue shifted, 
C) with no shift,
And she would see events from the outside normal universe 
D) red shifted. 
E) blue shifted.
F)with no shift.

Question 20

When you throw a stone horizontally from the top of a cliff at 10 m/s, one second after leaving your hand its vertical distance below the top of the cliff is

Accepted Answer

A) 5 m. 
B) 10 m. 
C) 15 m.
And its speed at that instant is 
D) 10 m/s. 
E) about 14 m/s.
F)15 m/s.
G)greater than 15 m/s. 
A) 5 m. 
B) 10 m. 
C) 15 m.
And its speed at that instant is 
D) 10 m/s. 
E) about 14 m/s.
F)15 m/s.
G)greater than 15 m/s.

Exam 37: Systems of Measurement

As a spaceship nears the Moon, its mass

Figure M-4 -A certain force is required to keep a block of wood 1 m beneath the surface of water. The force required to keep it 2 m deep is

When heavy elements such as uranium undergo fission, there is an accompanying

If you are standing on the Moon and release a strong balloon filled with helium gas, the balloon will

Figure V-5 -A small railroad car is pulled by a rope as shown in the sketch (top view). The force F that the rope exerts on the car has a component along the track and another component perpendicular to the track. Judging from the diagram, the larger of these two components would be

Which of the following contracts the most when temperature is decreased?

Figure N-3 -If an 800-N man hangs motionless from four vertical strands of rope, then the tension in each strand of rope is

Figure N-11 -As the ball rolls from the straight path from A to B its velocity increases and its acceleration

Sound travels through the air in the form of

Buoyant force is greater on a submerged

A rifle is fired straight downward from a high-altitude balloon. If the bullet leaves the barrel at 100 m/s, then its speed one second later (neglecting air resistance)will be about

A baseball is thrown straight upward. At the very top of its trajectory its instantaneous velocity is zero and its acceleration is

In the absence of air resistance, a projectile launched at the same speed at any angle will attain the greatest range when projected at

If you push with 200 N of force against your 1500-N refrigerator and it slides across your kitchen floor at constant velocity, friction of the floor against the refrigerator must be

Figure E-1 -A marble rolls back and forth along the path shown. When it is at position B, its kinetic energy is

Figure V-6 -The boat that will sail fastest in the intended direction is

In referring to how much matter a body contains, we use the term

Figure S-1 -Which wave has the greatest period of oscillation?

An astronaut falling into a black hole would see events toward the singularity

When you throw a stone horizontally from the top of a cliff at 10 m/s, one second after leaving your hand its vertical distance below the top of the cliff is

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