3888459
Descripción
Fichas por Jake Perkins, actualizado hace más de 1 año
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Creado por Jake Perkins
hace más de 8 años
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| Pregunta | Respuesta |
| 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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