If the Sum of the External Torques Acting on an Isolated

question 65

Multiple Choice

If the sum of the external torques acting on an isolated system of particles is zero,it must be true that

• A)the system can have no kinetic energy.
• B)the angular momentum of the system does not change.
• C)the system can have no angular velocity.
• D)the system can have no linear velocity.
• E)the angular momentum of the system must be continually decreasing.

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Definitions:

Entire Industry

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Demand Curve

A graphical representation showing the relationship between the price of a goods or services and the quantity demanded.

Substitutes

Products or services that can be used in place of each other, satisfying the same needs or wants of the consumer.

Monopolist

A single seller in a market who has significant control over the entire supply of a good or service, and thus can influence price.