Answered: A yo-yo (mm=0.0680 kg) with a rolling…

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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Question

A yo-yo (mm=0.0680 kg) with a rolling radius of rr=2.50 cm rolls down a string with a linear acceleration of 6.53 m/s² (the figure below).

1)Calculate the tension in the string. (Express your answer to three significant figures.)

2)Calculate the angular acceleration of the yo-yo. (Express your answer to three significant figures.)

3)What is the moment of inertia of this yo-yo? (Express your answer to three significant figures.)

А yo-yo (
m=0.0680 kg) with a rolling radius of
r=2.50 cm rolls down a string with a linear acceleration of 6.53 m/s (the figure below).

Definition Definition Rate of change of angular velocity. Angular acceleration indicates how fast the angular velocity changes over time. It is a vector quantity and has both magnitude and direction. Magnitude is represented by the length of the vector and direction is represented by the right-hand thumb rule. An angular acceleration vector will be always perpendicular to the plane of rotation. Angular acceleration is generally denoted by the Greek letter α and its SI unit is rad/s 2 .

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