# Conceptual Physics: Questions On Rotational Motion

10 Questions | Total Attempts: 2080  Settings  .

Related Topics
• 1.
Horses that move with the fastest linear speed on a merry-go-round are located
• A.

Near the center

• B.

Near the outside

• 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
• A.

Doubles

• B.

Halves

• C.

Remains the same

• 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.

Both A and B are correct

• 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.

Inside horse

• B.

Outside horse

• 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
• A.

Double

• B.

Double

• C.

Remain the same

• 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.

1 m/s

• B.

2 m/s

• C.

3 m/s

• D.

3.14 m/s

• E.

6.28 m/s

• 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
• A.

Half as fast

• B.

Twice as fast

• C.

At the same linear speed

• 10.
A broom is easier to balance on its end when the heavier end (the brush end) is
• A.