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.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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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Step 3: Calculate the angular acceleration

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Step 4: Calculate the angular velocity of the disk

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