1.
Horses that move with the fastest linear speed on a merry-go-round are located
A. 
B. 
C. 
Anywhere, because they all move at the same speed
2.
Your pet hamster sits on a record player whose angular speed is constant. If he moves to a point twice as far from the center, then his linear speed
3.
Since each rolling wheel of a railroad train is tapered, the narrow part of the wheel has a tangential speed that is
A. 
Greater than that of the wide part
B. 
Smaller than that of the wide part
C. 
The same as that of the wide part
4.
When a train makes a curve, different parts of the wheel rims
A. 
Cover a different distance in the same time
B. 
Must all expand at the same time
C. 
Must all contract at the same time
D. 
Vibrate at different rates
5.
The tapered shape of the parts of the wheels that ride on railroad tracks allows opposite wheels to
A. 
In effect, vary their diameters
B. 
Travel at different linear speeds for the same rotational speed
C. 
6.
Which moves faster in m/s on a merry-go-round: a horse on the inside or a horse on the outside near the outer rail?
A. 
B. 
C. 
Both move at the same speed in m/s
7.
If a turntable's rotational speed is doubled, then the linear speed of a pet hamster sitting on the edge of the record will
8.
Suppose the circumference of a bicycle wheel is 2 meters. If it rotates at 1 revolution per second when you are riding the bicycle, then your speed will be
A. 
B. 
C. 
D. 
E. 
9.
Consider a string with several rocks tied along its length at equally spaced intervals. You whirl the string overhead so that the rocks follow circular paths. Compared to a rock in the middle of the string, a rock at the outer end moves
10.
A broom is easier to balance on its end when the heavier end (the brush end) is
A. 
B. 
Highest, farthest from your hand
C. 
11.
An industrial flywheel has a greater rotational inertia when most of its mass is
A. 
B. 
C. 
Uniformly spread out as in a disk
12.
A coin and a ring roll down an incline starting at the same time. The one to reach the bottom first will be the
A. 
B. 
C. 
Both reach the bottom at the same time
13.
The rotational inertia of your leg is greater when your leg is
14.
A torque acting on an object tends to produce
A. 
B. 
C. 
D. 
E. 
15.
On a balanced seesaw, a boy three times as heavy as his partner sits
A. 
1/3 the distance from the fulcrum
B. 
Less than 1/3 the distance from the fulcrum
C. 
More than 1/3 the distance from the fulcrum
16.
Put a pipe over the end of a wrench when trying to turn a stubborn nut on a bolt, to effectively make the wrench handle twice as long, you'll multiply the torque by
17.
Toss a baseball bat into the air and it wobbles about its
18.
The long, heavy tail of a spider monkey enables the monkey to easily vary its
A. 
B. 
C. 
D. 
E. 
19.
The center of mass of a human body is located at a point
A. 
That is fixed, but different for different people
B. 
That is always directly behind the belly button
C. 
That changes as a person bends over
D. 
20.
The famous Leaning Tower of Pisa doesn't topple over because its center of gravity is
A. 
Above a place of support.
B. 
Relatively low for such a tall building.
C. 
Stabilized by its structure.
D. 
Displaced from its center.
E. 
In the same place as its center of mass.
21.
The chef at the infamous Fattening Tower of Pizza tosses a spinning disk of uncooked pizza dough into the air. The disk's diameter increases during the flight, while its rotational speed
22.
Centrifugal forces are an apparent reality to observers in a reference frame that is
A. 
Moving at constant velocity.
B. 
An inertial reference frame.
C. 
D. 
E. 
23.
A person weighs less at the equator than at the poles. The main reason for this has to do with
A. 
B. 
C. 
The influence of the sun, moon, and all the planets.
D. 
The law of action and reaction.
24.
When a twirling ice skater brings her arms inward, her rotational speed
25.
Consider a rotating donut-shaped space habitat where living quarters are on the inside surface farthest from the axis. If the rotational speed of the habitat increases, the apparent weight of people inside
A. 
B. 
C. 
D.