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:

Neuronal Pruning

The process by which extra neurons and synaptic connections are eliminated to increase the efficiency of neuronal transmissions.

Inefficient Connections

Links or relationships that fail to utilize resources or energy in an effective manner.

Cognitive Processes

Cognitive processes that include the obtaining, processing, and retention of information, involving functions like perception, memory, and logical thinking.

Object Permanence

The understanding that objects continue to exist even when they cannot be observed.