Scalar quantity
Definition
A scalar quantity is a physical measurement that only has magnitude and no direction. It can be described by a single value.
Analogy
Imagine you are measuring the temperature outside. The temperature is a scalar quantity because it only tells you how hot or cold it is, without any information about which direction the heat is coming from.
Related terms
Vector quantity: A vector quantity has both magnitude and direction. For example, velocity is a vector quantity because it includes both speed and direction.
Distance: Distance is a scalar quantity that represents the length of the path traveled by an object, without considering its direction.
Time: Time is also a scalar quantity as it only measures the duration or interval between events.
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