A vector quantity has both magnitude as well as direction, where as a scalar quantity has only magnitude and no direction. Which of the given below is a scalar quantity?
I. velocity
II. force
III. work done
IV. displacement
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Explanation:
These two categories can be distinguished from one another by their distinct definitions: Scalars are quantities that are fully described by a magnitude (or numerical value) alone. Vectors are quantities that are fully described by both a magnitude and a direction.
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Answer:
work done.
Work is nothing but the energy generated. Work has only a magnitude but no direction. The formula for work is written as a dot product of force and displacement. Therefore, work is a scalar quantity.
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