level: Scalar and vector quantities
Questions and Answers List
level questions: Scalar and vector quantities
| Question | Answer |
|---|---|
| What is a Scalar Quantity (& Examples) | Only have a magnitude or size. EXAMPLES: 1) temperature (°C) 2) mass (kg) 3) energy (J) 4) distance (m) 5) speed (m/s) 6) volume (kg/m³) |
| What is a Vector Quantity (& Examples) | Have Magnitude and Direction. EXAMPLES: 1) force (20 N left) 2) displacement (50 Km East) 3) velocity (11 m/s upwards) 4) acceleration (9.8 m/s² downwards) 5) momentum (250 Km m/s west) NOTE: Can be drawn (arrow length=magnitude) |
| What's a Resultant Force? | a single force that has the same effect as two or more forces acting together |