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Definition of a scalar quantity
A physical quantity that only has size (magnitude) and doesn't have a direction.
Definition of a vector quantity
Vector quantities have BOTH size (magnitude) and an associated direction.
Examples of scalar quantities (8)
- Distance
- Speed
- Mass
- Energy
- Volume
- Density
- Power
- Volume
Examples of vector quantities (6)
- Displacement (the change in position of an object)
- Velocity
- Weight
- FORCE
- Acceleration
- Momentum