572409
Descrição
FlashCards por CuteMarshmallow, atualizado more than 1 year ago
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Criado por CuteMarshmallow
aproximadamente 10 anos atrás
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| Questão | Responda |
| How would you define a vector? | A vector quantity is defined by magnitude AND direction. |
| How would you define a scalar? | A scalar quantity is defined by magnitude only. |
| What is the difference between distance and displacement? | Distance is described by magnitude only. Displacement includes both magnitude and direction. |
| What is the equation for speed? | average speed = distance/time |
| What is the equation for velocity? | Average velocity = displacement/time |
| How to you add vectors? | Must makes sure that vectors are 'tip to tail' and used in a scale diagram. |
| How do you add vectors at right angles? | It is easier to use Pythagoras to find the resultant and trigonometry to find the angle. |
| What is the resultant of a number of forces? | A single force which has the same effect as the sum of individual forces. |
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