A 4.0 kg, 36-cm-diameter metal disk, initially atrest, can rotate on an axle along its axis. A steady8.0 N tangential force is applied to the edge of thedisk.Part AWhat is the disk's angular velocity, in rpm, 4.0 s later?Express your answer in revolutions per minute.► View Available Hint(s)W=15. ΑΣΦ?rpmReview

The mass of the disk is .The diameter of the metal disk is .The magnitude of the tangential force is…

Answered: A 4.0 kg, 36-cm-diameter metal disk,…

A 4.0 kg, 36-cm-diameter metal disk, initially at rest, can rotate on an axle along its axis. A steady 8.0 N tangential force is applied to the edge of the disk.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 38P: During a 6.0-s time interval, a fly-wheel with a constant angular acceleration turns through 500...

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

A 4.0 kg, 36-cm-diameter metal disk, initially at
rest, can rotate on an axle along its axis. A steady
8.0 N tangential force is applied to the edge of the
disk.
Part A
What is the disk's angular velocity, in rpm, 4.0 s later?
Express your answer in revolutions per minute.
► View Available Hint(s)
W=
15. ΑΣΦ
?
rpm
Review

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Step 2: Calculate the moment of inertia of the disk

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