Which quantity has both magnitude and direction?

Prepare for your Leaving Certificate Physical Education exam with comprehensive practice tests. Challenge yourself with multiple choice questions and detailed explanations, perfect for exam readiness!

Multiple Choice

Which quantity has both magnitude and direction?

Explanation:
Quantities that have both magnitude and direction are vectors. In physics, a vector conveys not just how much, but which way. Velocity is a vector because it describes how fast something is moving and the direction it is moving in—for example, 60 km/h north. Speed, distance, and time are scalars; they have magnitude only and give no directional information. So velocity uniquely provides both size and orientation, making it the correct choice.

Quantities that have both magnitude and direction are vectors. In physics, a vector conveys not just how much, but which way. Velocity is a vector because it describes how fast something is moving and the direction it is moving in—for example, 60 km/h north. Speed, distance, and time are scalars; they have magnitude only and give no directional information. So velocity uniquely provides both size and orientation, making it the correct choice.

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