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Why do perpendicular forces do No work?
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33 votes
Why do perpendicular forces do No work?

User Seth Feldkamp
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1 Answer

14 votes
14 votes

Answer:

The definition of work is:

Force (dot product) distance = work

The dot product of vectors at right angles is zero - so no work can be done if the applied force is at a right angles to direction of motion

User Sudhanshu Yadav
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