In a downtown office building, you notice each of the four sections of a rotating door has a mass of 80 kg. What is the width, in meters, of each section of the door if a force of 66 N applied to the outer edge of a section produces an angular acceleration of 0.500 rad/s²?

In a downtown office building, you notice each of the four sections of a rotating door has a mass of 80 kg. What is the width, in meters, of each section of the door if a force of 66 N applied to the outer edge of a section produces an angular acceleration of 0.500 rad/s²?

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

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.

Question

In a downtown office building, you notice each of the four sections of a rotating door has a mass of 80 kg. What is the width, in meters, of each section of the door if a force of 66 N applied to the
outer edge of a section produces an angular acceleration of 0.500 rad/s²?
m
F

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