please guys help me....
in this question.....fast and explain this answer...
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please guys help me....
in this question.....fast and explain this answer...
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Answer:
because always if any work in the form of energy, there will be positive and negative.
so, now, in a circle, the place where we do the work that is the tangent will have a opposite tangent. which is negative. so the positive and negative cancels and forms neutral. which results in zero