A Solid Disk of Radius R Rolls Down an Incline

question 26

Multiple Choice

A solid disk of radius R rolls down an incline in time T.The center of the disk is removed up to a radius of R/2.The remaining portion of the disk with its center gone is again rolled down the same incline.The time it takes is:

• A) T.
• B) more than T.
• C) less than T.
• D) requires more information than given in the problem to figure out.

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Definitions:

Market Prices

The current price at which an asset or service can be bought or sold in a given market, determined by supply and demand conditions.

General Welfare

A concept concerning the overall health, happiness, and well-being of a population or community.

Invisible Hand

A concept introduced by Adam Smith to describe the self-regulating nature of the market economy.

Economist

A professional who studies the production, distribution, and consumption of goods and services.