Leaving Certificate Physical Education Practice Test

Which term describes a physical quantity that has magnitude but no direction?

Scalars Sedentary Behaviour Skills Sports Sponsorship

Correct Answer:

Scalars

Explanation:

In physical quantities, there are scalars and vectors. A scalar is described by its magnitude alone—how much there is—without any direction. Examples include mass, temperature, time, and distance. In contrast, a vector has both magnitude and direction, like displacement, velocity, or force. So a quantity that has magnitude but no direction fits the idea of a scalar. The other terms listed don’t describe physical quantities with magnitude only: sedentary behaviour relates to activity levels, skills are abilities, and sports sponsorship is a financial/marketing concept.

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