When an Object Is Effectively Isolated from External Torques, Like

question 10

Multiple Choice

When an object is effectively isolated from external torques, like an ice skater twirling on the tip of one skate, the angular momentum of the object

• A) can be increased by shifting mass out away from the axis of rotation.
• B) can be decreased by shifting mass out away from the axis of rotation.
• C) can be increased by shifting mass in toward the axis of rotation.
• D) can be decreased by shifting mass in toward the axis of rotation.
• E) cannot be changed except by friction at the point of contact.

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Definitions:

Energy Cycle

The series of processes by which energy is converted and transferred within an ecosystem, from producers to consumers and then to decomposers.

Gasoline Engines

Internal combustion engines that convert the energy stored in gasoline into mechanical work, commonly used in vehicles.

Feedback Inhibition

A regulatory mechanism where the output of a process inhibits its own production by suppressing the process's initial steps.

End Product

The final product resulting from a process, especially in biochemical pathways, where it often regulates the pathway through feedback inhibition.