Justify giving proper reasoning whether the work done in the following cases is positive or negative (a) work done by a man in lifting a bucket out of a well by means of a rope tied to the bucket.
(b) work done by gravitational force in the above case.
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Justify giving proper reasoning whether the work done in the following cases is positive or negative (a) work done by a man in lifting a bucket out of a well by means of a rope tied to the bucket.
(b) work done by gravitational force in the above case.
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(b) work done by gravitational force in the above case
selvaraj8424:
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