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:

Monocot

Monocots, or monocotyledons, are a group of flowering plants characterized by having a single embryonic leaf (cotyledon), parallel leaf veins, and a fibrous root system.

Maturation

The process of becoming mature, involving the development and growth of an individual or organism to its full potential.

Woody Stem

A plant stem composed of wood, which contains lignin and cellulose, providing structural support and allowing perennial growth.

Root Cap

Protective cover of the root tip, whose cells are constantly replaced as they are ground off when the root pushes through rough soil particles.