458145
Descrição
FlashCards por alex.examtime9373, atualizado more than 1 year ago
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Criado por alex.examtime9373
quase 12 anos atrás
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| Questão | Responda |
| Vector Quantity | A quantity with both magnitude and direction |
| Examples of Vector Quantities | Displacement, velocity, force, acceleration, magnetic flux density, momentum, electric field strength |
| Displacement | Distance in a given direction Measured in metres |
| Velocity | The rate of change of displacement with respect to time Measured in metres per second |
| Formula for Average Velocity | (u + v)/2 |
| Acceleration | Rate of change of velocity with respect to time Measured in metres per second squared |
| Formula for Acceleration | (Change in velocity) / (time taken) a = (v - u)/t |
| Adding Co-linear Vectors | Same direction - add magnitudes, use same direction Opposite direction - subtract magnitudes, use direction of larger vector |
| Triangle Law | The resultant of two perpendicular vectors is equal to the hypotenuse of the right-angled triangle formed by the two vectors placed "tip to tail" |
| Resolving vectors | A vector can be resolved into two perpendicular component vectors |
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