A Boy and a Girl Are Riding on a Merry-Go-Round

question 88

Multiple Choice

A boy and a girl are riding on a merry-go-round that is turning. The boy is twice as far as the girl from the merry-go-round's center. If the boy and girl are of equal mass, which statement is true about the boy's moment of inertia with respect to the axis of rotation?

• A) His moment of inertia is 4 times the girl's.
• B) His moment of inertia is twice the girl's.
• C) The moment of inertia is the same for both.
• D) The boy has a greater moment of inertia, but it is impossible to say exactly how much more.
• E) The boy has a smaller moment of inertia, but it is impossible to say exactly how much smaller.

---

Definitions:

Period Costs

Expenses that are incurred on the income statement in the period in which they are incurred, such as selling, general, and administrative expenses, which are not directly tied to the production of goods.

Income Statement

A financial statement that shows a company's revenues and expenses over a specific period, resulting in net profit or loss.

Capitalized

Expenses or costs that are recorded as an asset on a balance sheet rather than expensed, with the anticipation of future benefit.

Inventory

The total amount of goods and materials held by a business for the purpose of resale or production.