Moment of Inertia

In position B the figure skater has:

• A higher moment of inertia 

• A lower moment of inertia

• A higher angular velocity

• A lower angular velocity

Angular Velocity and Moment of Inertia are inversely proportional

• True

• False

Once an eccentric force has been applied, if angular velocity increases:

• Angular momentum will increase

• Angular momentum will decrease

• Moment of Inertia will increase

• Moment of Inertia will decrease

Once an eccentric force has been applied, if moment of inertia decreases:

• Angular velocity will increase

• Angular velocity will decrease

• Angular momentum will increase

• Angular momentum will decrease

Once an eccentric force has been applied, if moment of inertia increases:

• Angular velocity will increase

• Angular velocity will decrease

• Angular momentum will increase

• Angular momentum will decrease

At point number 2 the diver has a _______ moment of inertia than at point number 3

• Lower

• Higher

• Equal

At point number 3 the diver has a _______ moment of inertia than at point number 4

• Lower

• Higher

• Equal

When a gymnast performing a floor routine enters into a tuck position while performing a somersault, their angular velocity will increase because they are moving their body closer to their axis of rotation

• True

• False

Which of the following statements about the moment of inertia is true?

• It depends on the mass distribution relative to the axis of rotation.

• It is independent of the axis of rotation.

• It is the same for all objects with the same mass.

• It is a measure of an object's linear momentum.

A solid sphere and a hollow sphere of the same mass and radius are rotating about an axis through their centers. Which has a greater moment of inertia?

• Solid sphere

• Hollow sphere

• Both have the same moment of inertia

• Cannot be determined