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CBSE Class 11-science Answered

Is angular displacement a vector qunatity or scalar quantity?
Asked by vrg.anayath | 03 Dec, 2010, 06:58: PM
Expert Answer
Dear student,
 
Angular displacement is a vector quantity.
 
As the definition says, 

Angular displacement is nothing but the angle through which a body is rotating. In case of the angular displacement the direction of the rotation is important. If the direction is counterclockwise in a circle then the object displaced by a positive 360 degree otherwise it is displaced by a negative 360 degree. If direction is counterclockwise for half circle and then clockwise for the other half circle then the object is displaced by a positive 180 degrees and then a negative 180 degrees thus the total displacement of object is zero. It also measures in terms of the initial and the final positional angle as

ө = өf - өi

Where ө equals angular displacement and өf equals final angular displacement and өi equals initial angular displacement.

Team
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Answered by | 03 Dec, 2010, 08:15: PM
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