If the axis of rotation is specified, which of the following statements is not true in regard to a rigid body? a. The distance between any chosen pair of points on the body remains the same. b. The angular velocity is always the same everywhere on the body. c. The angular acceleration is always the same everywhere on the body. d. The linear velocity at every point on the body is always the same. e. A rigid body does not permanently change its shape.

If the axis of rotation is specified, which of the following statements is not true in regard to a rigid body? a. The distance between any chosen pair of points on the body remains the same. b. The angular velocity is always the same everywhere on the body. c. The angular acceleration is always the same everywhere on the body. d. The linear velocity at every point on the body is always the same. e. A rigid body does not permanently change its shape.

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.

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