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Byju's Answer
Standard XII
Physics
The Idea of Average Force
Explain the f...
Question
Explain the following terms with one example each:
(a) Positive work
(b) Zero work
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Solution
Dear student,
(a) When force acts in the direction of motion of body work done is positive. When a lawn roller is pulled forward, work done is positive.
(b) When force is perpendicular to the direction of motion, work done is zero. A porter carrying load does no work.
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The Idea of Average Force
Standard XII Physics
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