A Disk Is Free to Rotate on a Fixed Axis

question 39

Multiple Choice

A disk is free to rotate on a fixed axis.A force of given magnitude F, in the plane of the disk, is to be applied.Of the following alternatives the greatest angular acceleration is obtained if the force is:

• A)applied tangentially halfway between the axis and the rim
• B)applied tangentially at the rim
• C)applied radially halfway between the axis and the rim
• D)applied radially at the rim
• E)applied at the rim but neither radially nor tangentially

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Definitions:

Parenchyma

Tissue found in plants, consisting of unspecialized living cells with thin cell walls, involved in photosynthesis, storage, and tissue repair.

Meristematic

Referring to regions in plants where undifferentiated cells (meristems) are actively dividing, allowing for growth in length or diameter.

Woody Plants

Plants that are primarily made of wood and have a hard stem, usually trees and shrubs.

Perennials

Plants that live for more than two years, typically flowering annually after their initial maturity.