SELECT * FROM question_mgmt as q WHERE id=4189 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='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)
A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. 11.3). Let us take it that the force acts on the object through the displacement. What is the work done in this case?
Force = 7 N
Displacement = 8 m
Work done = Force × Displacement
W = F × S
W = 7 × 8
= 56 Nm
= 56 J
Therefore, work done is 56 J.
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