GCSE Physics – Stopping distance

Last updated: 26/05/2020
Edexcel International GCSE Science – Separate physics Forces and Motion GCSE Physics – Stopping distance

Learning Objectives

-I can describe stopping distance as a combination of reaction time and braking distance
-I can describe the factors that affect reaction time
-I can describe the factors that affect braking distance
-I can explain why rapid large deceleration is dangerous

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  1. Current
  2. Review
  3. Answered

  1. What is braking distance?

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  2. What is thinking distance?

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  3. What is stopping distance?

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  4. How is stopping distance calculated?

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  5. What happens when force is applied to brakes?

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  6. If a vehicle travels faster, what happens to the braking force needed to stop the car?

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  7. What happens to the temperature of the brakes as they are used?

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  8. What happens when the brakes do work on the wheels?

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  9. What happens to the vehicle’s kinetic energy?

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  10. What is the problem with a large deceleration?

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  11. What is the other problem with a large deceleration?

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  12. How can reaction time be affected?

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  13. How can we measure reaction times?

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  14. What do longer reaction times cause?

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  15. How does the ruler test measure reaction times?

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  16. What is thinking distance affected by?

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  17. What happens to thinking distance when speed doubles?

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  18. What does an increase in thinking distance cause?

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  19. What is an average thinking distance when travelling at 20 mph?

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  20. What is an average thinking distance when travelling at 40 mph?

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  21. How can braking distance be affected?

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  22. What happens to braking distance when speed doubles?

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  23. What does a greater braking force produce?

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  24. Why does braking distance quadruple when speed doubles?

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  25. What is an average braking distance when travelling at 20 mph?

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