The correct representation of a vector quantity and its respective unit from the options provided is:
d. force - Newton
Force is a vector quantity, and its unit is the Newton (N).
To clarify the others:
a. speed - meters per second (Speed is a scalar quantity, not a vector.) b. weight - kilogram (Weight is a vector quantity but is measured in Newtons, not kilograms.) c. mass - kilogram (Mass is a scalar quantity, not a vector.)
Therefore, option (d) is the only correct pairing.
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