5150585
Description
Flashcards by Josephine Conway, updated more than 1 year ago
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Created by Josephine Conway
about 8 years ago
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| Question | Answer |
| Scalar | Magnitude without direction e.g. length, area, volume, distance, speed, mass, density, pressure, temperature, energy, work, power, electrical potential, charge & time. |
| Vector | A quantity that has both magnitude and direction e.g. displacement, velocity, acceleration, momentum, forces (weight), fields, a.c voltage & current when calculating fields |
| Displacement | Net distance moved in a particular direction |
| Instantaneous Speed | Speed measured between two points at a very small time apart |
| Average Speed | distance covered / time taken - distance traveled per unit time |
| Velocity | Speed in a given direction |
| Acceleration | Gradient of a velocity time graph = change in velocity per unit time taken |
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