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CBSE Class 9 Answered

if a book is raised upward from a table and placed again at the same place.what is the work done in this case.
Asked by nishmita bandekar | 17 Oct, 2010, 12:00: AM
answered-by-expert Expert Answer
Dear student
 
In this case since the displacement is zero, work done will also be zero.
 
Work done = FS cos θ
 
We hope this clarifies your doubt.
Regards
Team
Topperlearning
Answered by | 18 Oct, 2010, 12:22: PM

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