Physics is about physical quantities.Physical quantities have values and units.A scalar quantity is any physical quantity that is not directional and has magnitude only.A vector quantity is any physical quantity that has a direction as well as a magnitude.
Vector and Scalar Quantities
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Specification: AQA Physics (7407), AS-level, 3.4.1.1 Scalars and vectors. Topic: Forces in Equilibrium.
Key terms in this lesson
- Scalar quantity
- A physical quantity that has magnitude only, with no associated direction.
- Vector quantity
- A physical quantity that has both magnitude and direction.
More in Forces in Equilibrium
- Vector Quantities
- Adding Vectors - Scale Diagram
- Resolving Vectors
- Adding Two Perpendicular Vectors
- Equilibrium
- Three Forces in Equilibrium
- Moments
- The Principle of Moments
All 20 lessons in Forces in Equilibrium · All AQA AS-level Physics topics