Physics 0.0 / 5 ? PhysicsForcesGCSEOCR Created by: EmilyjaneeCreated on: 25-04-16 16:59 What is speed? The distance travelled in a certain amount of time. 1 of 10 What is acceleration? It is how quickly you are speeding up or how quickly the speed is changing. 2 of 10 What are the forces when driving a car? Gravity or weight which acts downwards, reaction force which acts upwards thrust/push/pull to speed something up and drag to slow something down. 3 of 10 What is terminal velocity? It is when a falling object reaches its fasted speed. 4 of 10 What is thinking distance? The distance the car travels in the time between the driver noticing the hazard and actually pressing the brake. 5 of 10 What is braking distance? The distance taken for the car to stop once the driver has pressed the brakes. 6 of 10 What is stopping distance ? It is the braking distance and the thinking distance added together. 7 of 10 What could effect the thinking distance? Being under the influence of alcohol or drugs, distractions such as being on your phone, lack of concentration, being tired and being careless. 8 of 10 What could effect the braking distance? The weather conditions, condition of the road and the condition of the car. 9 of 10 What are car safety features? Crumple zone, seat belt, air bags, brakes, and electric windows. 10 of 10
Comments
No comments have yet been made