Are There Any Kinds of Situations in Which the Momentum

question 61

Multiple Choice

Are there any kinds of situations in which the momentum of a moving system is not conserved?

• A) No, because the momentum of any system is always conserved.
• B) Yes, if there is friction acting between different parts of the system.
• C) Yes, if some of the parts of the system collide with each other.
• D) Yes, if any part of the system is acted upon by forces external to the system.
• E) No, because the law of inertia demands that any moving system must keep moving.

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Definitions:

Normal Account Balances

The typical or expected balance of an account based on its classification in accounting, such as debit for assets and credit for liabilities.

Refund Liability

An obligation recorded on the company's balance sheet, representing the expected refunds to customers for returns or dissatisfaction over a period.

Estimated Inventory Returns

The estimated amount of goods a company predicts will be returned by customers after purchase.

Liability Account

An accounting record that tracks the monies owed by a company to outside parties or obligations that will result in future outflows of resources.