A Solid Disk and a Hollow Disk with the Same

question 16

Multiple Choice

A solid disk and a hollow disk with the same mass and diameter are released together (from rest) to roll down an incline. The solid disk reaches the bottom first. From this information we can say that the angular acceleration was

• A) larger for the hollow disk.
• B) larger for the solid disk.
• C) the same for both disks.
• D) impossible to know without a measurement of time.

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Definitions:

Periodic inventory system

A periodic inventory system is a method of inventory valuation where the inventory is updated and cost of goods sold is calculated at the end of a specific accounting period.

Ending inventory

The total value of all the goods still available for sale at the end of an accounting period.

Gross profit

The financial metric indicating the difference between revenue and the cost of goods sold, reflecting the core profitability of product sales.

Perpetual inventory system

An accounting method that records the sale or purchase of inventory immediately through computerized point-of-sale systems and enterprise asset management software.