BRAINCAKEAdding Non-Perpendicular Vectors
You can add two vectors that are not perpendicular using the Cosine Rule. 
The resultant is the diagonal of a parallelogram with the forces comprising two sides. The angle is the supplementary angle to one of the forces.
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More in Quantities and Units
- SI Base Units.
- Prefixes.
- Derived Quantities and Units.
- Scalar Quantities.
- Vector Quantities.
- Adding Perpendicular Vectors.
- Resolving Vectors into two Components.
- Subtracting Vectors
All 10 lessons in Quantities and Units · All OCR AS-level Physics topics