Magnitude
What Magnitude means in Mathematics A-Level, as defined for AQA, Pearson Edexcel, WJEC.
Definitions of Magnitude
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Reference: AQA
Calculated using Pythagoras in 2D or 3D, as the square root of the sum of the squares of the components.
The length of the arrow, found using Pythagoras: |v| = sqrt(x^2 + y^2).
The non-negative length or size of a vector, denoted by vertical bars around the vector.
The non-negative length of a vector; \(|\mathbf a|\) is a scalar.
The length or size of a vector. It is a scalar quantity.
The non-negative length or size of a vector.
Topics that use Magnitude
- J: Vectors (AQA A-Level)
- Vectors (Pearson Edexcel A-Level)
- Vectors (A2 Unit 4: Applied Mathematics B) (WJEC A-Level)
Related terms
- Parallel vectors
- Unit vector
- Vector
- component
- component form
- Displacement vector
- magnitude/direction form
- Position vector
Using Magnitude in the exam
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