A scalar is...
Understand the Problem
The question is asking for the definition or explanation of the term 'scalar'. It seeks to clarify what a scalar is in a certain context, likely mathematical or physical.
Answer
A scalar is a quantity with magnitude, no direction.
A scalar is a quantity that has magnitude but no direction, often represented by a real number.
Answer for screen readers
A scalar is a quantity that has magnitude but no direction, often represented by a real number.
More Information
In mathematics and physics, scalars are used to describe quantities like mass, time, and speed, which require only a magnitude.
Tips
Confusing scalars with vectors, which have both magnitude and direction, is a common mistake.
Sources
- Scalar Definition & Meaning - Merriam-Webster - merriam-webster.com
- Scalar | Definition, Examples, & Facts - Britannica - britannica.com
- Scalars and Vectors - The Physics Classroom - physicsclassroom.com
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