Physics, 12.01.2021 17:50, jasoncarter
Cindy pushes a bookshelf with all her strength (50N to the right) and it doesn't move a single inch! The bookshelf weighs 200N. How much work did Cindy do on the bookshelf?
Answers: 2
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Cindy pushes a bookshelf with all her strength (50N to the right) and it doesn't move a single inch!...
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