A Disk with a Rotational Inertia of 2

question 101

Multiple Choice

A disk with a rotational inertia of 2.0 kg.m² and a radius of 0.40 m rotates on a frictionless fixed axis perpendicular to the disk faces and through its center.A force of 5.0 N is applied tangentially to the rim.The angular acceleration of the disk is:

• A)0.40 rad/s²
• B)0.60 rad/s²
• C)1.0 rad/s²
• D)2.5 rad/s²
• E)10 rad/s²

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Definitions:

Government Intervention

The direct or indirect involvement of governmental actions in the market to influence the economy, correct market failures, or protect the public interest.

John Maynard Keynes

A British economist whose ideas fundamentally changed the theory and practice of macroeconomics and the economic policies of governments, emphasizing the importance of government intervention during economic downturns.

Milton Friedman

An influential American economist known for his strong belief in free-market capitalism and for winning the Nobel Prize in Economic Sciences in 1976.

Classical Economists

Economists from the 18th and 19th centuries who focused on the free market, advocating for limited government intervention.