Rotational Motion
Date
2013
Authors
Journal Title
Journal ISSN
Volume Title
Type
Book chapter
Publisher
Springer
Series Info
Principles of Physics;pp 227-268
Doi
Scientific Journal Rankings
Abstract
In this chapter, we first treat the rotation of an extended object about a fixed axis. This is commonly known as pure rotational motion. The analysis is greatly simplified when the object is rigid. To perform this analysis, we first ignore the cause of rotation and describe the rotational motion in terms of angular variables and time. This is known as rotationalkinematicsrotationalkinematics. We then discuss the causes of rotation. This is known as rotationaldynamicsrotationaldynamics, and concerning it we introduce the concept of torquetorque . After that we treat some general cases where the axis of rotation is not fixed in space. In these cases, rigid bodies can undergo both rotational and translational motion, as in the rolling of objects.
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Keywords
Rigid Body, Frictional Force, Angular Speed, Angular Acceleration, Linear Speed