Why work done is a scalar quantity? Force and displacement both are vector. And it can also be +ve,-ve & zero. plz explain it.
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11
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Work is a scalar quantity because it is the dot product of two vectors (Force and displacement). Dot product of two vectors becomes scalar quantity. So, work done has only magnitude but not direction. Work done may be positive, negative or zero.
Answered by
10
Answer:
Work is a scalar quantity because it is the dot product of two vectors (Force and displacement). Dot product of two vectors becomes scalar quantity. So, work
done has only magnitude but not direction. Work done may be positive, negative or zero.
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