A Gyroscope Has a Moment of Inertia of 0

question 26

Multiple Choice

A gyroscope has a moment of inertia of 0.14 and an initial angular speed of 30 rad/s. Friction in the bearings causes its speed to reduce to zero in 30 s. What is the value of the average frictional torque?

• A) 3.3 * 10^-2 N M
• B) 8.1 *10^-2 N M
• C) 14 * 10^-2 N M
• D) 7.0 * 10^-2 N M

---

Definitions:

Factory Overhead

All costs related to manufacturing that are not direct materials or direct labor.

Machine Hours

A measure of the total time that machinery is operated during a given period for manufacturing or producing something.

Bar Code Scanners

Electronic devices used to read and output printed barcodes to a computer, facilitating inventory management and sales operations.

Receiving Report

A document that records the details of goods received by a company, often used to verify shipments with purchase orders.