Motion definitions 0.0 / 5 ? PhysicsMotionA2/A-levelOCR Created by: Ilee14Created on: 23-03-21 21:36 87105243916 Across 1. The distance travelled in the time it takes for the driver to react. It is affected by alcohol, drugs and tiredness (8, 8) 6. An object is said to be in free fall when the only force acting on it is the force of gravity (4, 4) 10. The time taken to process a stimulus and trigger a response to it. It is affected by alcohol, drugs and tiredness (8, 4) Down 2. The rate of change of displacement. It is a vector quantity and so has both a direction and a magnitude (8) 3. The distance travelled between the brakes being applied and the vehicle coming to a stop. It is affected by the vehicle and road conditions (7, 8) 4. The sum of thinking distance and braking distance for a driven vehicle (8, 8) 5. The motion of an object that is fired from a point and then upon which only gravity acts. When solving projectile motion problems, it is useful to split the motion into horizontal and vertical components (10, 6) 7. Plots showing how velocity changes over a period of time. The gradient gives acceleration. Curved line represent changing acceleration (8, 4, 6) 8. The rate of change of velocity (12) 9. Distance over time for the entire region of interest (7, 5)
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