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# Suppose a disk rotates at constant angular velocity, (a) ISBN: 9780130606204 3

## Solution for problem 2Q Chapter 8

Physics: Principles with Applications | 6th Edition

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Problem 2Q

Suppose a disk rotates at constant angular velocity, (a) Does a point on the rim have radial and or tangential acceleration? (b) If the disk's angular velocity increases uniformly, does the point have radial and or tangential acceleration? (c) For which cases would the magnitude of either component of linear acceleration change?

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Step 1 of 3</p>

(a) A point on the rim have only radial acceleration but not have tangential acceleration because it rotating with constant angular velocity. Although the point speed does not change, the velocity vector is continuously changing its direction. Therefore the point on the rim has a centripetal acceleration which is radially inward.

Step 2 of 3</p>

(b) If the angular velocity of the point on the rim increases uniformly, the point on the rim will have both radial and tangential acceleration. Since it is both moving in a circle with increasing speed, the magnitude of the radial component of acceleration will increase uniformly. In this case, the tangential component will be constant.

Step 3 of 3

##### ISBN: 9780130606204

The answer to “Suppose a disk rotates at constant angular velocity, (a) Does a point on the rim have radial and or tangential acceleration? (b) If the disk's angular velocity increases uniformly, does the point have radial and or tangential acceleration? (c) For which cases would the magnitude of either component of linear acceleration change?” is broken down into a number of easy to follow steps, and 52 words. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. The full step-by-step solution to problem: 2Q from chapter: 8 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This full solution covers the following key subjects: acceleration, angular, tangential, radial, point. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. Since the solution to 2Q from 8 chapter was answered, more than 893 students have viewed the full step-by-step answer.

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