Answers

2016-02-25T18:11:13+05:30
Eg
scribbling on the walls
littering the public property
dirting the tourist sites

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2016-02-25T18:11:53+05:30

examples of negative work:
1. work done by the frictional force ,when we push a book tom a distance
2. work done by gravitational force when we climb a tree
3. work done by buoyant force , when a coin is sinking

HOPE IT HELPS....

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