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:

One-Dimensional Array

A linear sequence of elements, all of the same type, accessible via their index.

Outer Braces

The enclosing brackets used to define the scope of a code block, such as in a function or conditional statement.

Two-Dimensional Array

A type of data structure that stores elements in a grid or matrix format, allowing for indexing by two coordinates, row and column.

Two-Dimensional Arrays

Data structures that organize data in a grid-like format, consisting of rows and columns, allowing for storage of data in a tabular form.