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Title: Which requires more work: lifting a 50-kg sack vertically 2 m or lifting a 25-kg Post by: einsteindude on Nov 29, 2014 Which requires more work: lifting a 50-kg sack vertically 2 m or lifting a 25-kg sack vertically 4 m?
A) lifting the 50-kg sack B) lifting the 25-kg sack C) Both require the same amount of work. Title: Re: Which requires more work: lifting a 50-kg sack vertically 2 m or lifting a 25-kg Post by: bSharp on Dec 5, 2014 Content hidden
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