You try to push a heavy box along the floor while you are dressed in socks, but
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You try to push a heavy box along the floor while you are dressed in socks, but your feet keep slipping. When you put on some shoes, your feet no longer slip, and you are able to do work on the box as you push it. Has the friction force between your shoes and the floor done positive or negative work?
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The friction force between your shoes and the floor has done positive work When you put on ...View the full answer
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