3888459
Beschreibung
Karteikarten von Jake Perkins, aktualisiert more than 1 year ago
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Erstellt von Jake Perkins
vor mehr als 8 Jahre
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| Frage | Antworten |
| Friction is a force happens when... | ... an object moves through a medium, e.g. air or water. ... surfaces slide past each other. |
| Friction works... | ... against in the opposite direction to it is moving, it is a resistive force. |
| If a vehicle is travelling at speed... | ... it faces resitive forces, mainly air resistance. |
| If the car is moving at a steady speed... | ... the resitve force and dirving force are balanced, the resulant force is 0 N. |
| To is increase a vehicle's top speed you need to... | ... increase the driving force or reduce the resistive forces. |
| The greater the speed... | ... the greater the braking force needed to stop. |
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