SELECT * FROM question_mgmt as q WHERE id=4190 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=191 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Work and Energy when do we say that work is done

Question:

When do we say that work is done?

Answer:

A work is said to be done when a force is applied on a body and makes the body move then we said work is done.


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  • Answered by Ekta Mehta
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Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

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