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:

MC

In economics, refers to marginal cost, which is the increase in total cost that arises from producing an additional unit of output.

Marginal Cost

The expense incurred from the production of an extra single unit of a product or service.

Total Cost

The complete cost of production that involves both fixed and variable costs to produce a given level of output.

Cherry Orchard

A cultivated area where cherry trees are grown for fruit production.