A vector quantity is

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Multiple Choice

A vector quantity is

Explanation:
Vector quantities are described by both a size and a direction. The defining idea is that you must specify how much of something and which way it points. A quantity that has only magnitude is a scalar, which is why that option isn’t correct for a vector. While a force is indeed a vector, that’s just one example; the key point is the combination of magnitude and direction that applies to many vector quantities like displacement, velocity, and acceleration.

Vector quantities are described by both a size and a direction. The defining idea is that you must specify how much of something and which way it points. A quantity that has only magnitude is a scalar, which is why that option isn’t correct for a vector. While a force is indeed a vector, that’s just one example; the key point is the combination of magnitude and direction that applies to many vector quantities like displacement, velocity, and acceleration.