DE -- Rotational Inertia

If a motorcycle wheel has a large angular acceleration for a fairly long time, what is the magnitude of the angular velocity, ω?

• large

• constant

• small

The kinematics of rotational motion describe the relationships among which variables? Click all correct answers.

• rotation angle

• time

• angular velocity

• thermal energy

Which symbol represents angular acceleration?

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• 

Kinematics is concerned with the description of motion without regard to ---

• speed or time

• velocity or acceleration

• force or mass

• magnitude or direction

Which statement explains why a door opens slowly if pushed close to its hinges?

• the closer the force is applied to the pivot, the greater the angular acceleration

• the farther the force is applied from the pivot, the greater the angular acceleration;

Which equation is the rotational analog of Newton's 2nd Law?

• 
• 
• 
• 

What does the symbol represent?

• angular momentum

• increasing speed

• moment of inertia

• rotational momentum

Which example is the only case that has all its mass the same distance from its axis?

• a solid sphere

• a disc

• a hoop

• an ellipse