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CBSE Class 9 Answered

If work depends on force and displacement and force and displacement both are vectors, then why is work a scalar?
Asked by kiara tp | 22 Nov, 2012, 01:07: PM
Expert Answer
Work done is a scalar quantity because work is the dot product of two vectors i.e. force and displacement and dot product is a scalar quantity. 
Answered by | 22 Nov, 2012, 01:10: PM
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