4131168
Beschreibung
Karteikarten von 21sakurako28, aktualisiert more than 1 year ago
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Erstellt von 21sakurako28
vor mehr als 8 Jahre
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| Frage | Antworten |
| Force | Is a push or a pull |
| Friction | A force that acts in a direction opposite to the motion of a moving object |
| Motion | a change in position in a certain amount of time |
| Force | a push or a pull |
| frame of reference. | The object that is used for comparison to calculate speed. |
| stationary | still not moving |
| speed | a rate at which an object moves. |
| sliding friction | dragging a book over a desk |
| rolling friction | wheels |
| fluid friction | liquids/gases and air resistance |
| what is the formula speed? | speed=distance over height |
| What is the formula of force? | F=ma Force=mass x acceleration |
| what is the formula of work? | Work= force x distance. W= w x d |
| Write the formula of a magic triangle for work. | F= force M= mass A= acceleration |
| What is weight? What is the unit for weight? | Weight is a force caused by gravity. Unit for weight is Newton, which is 1 kg·m/s2 |
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