1. Additional Physics – Forces L/O :- To know what affects stopping distances “Can you stop on a dime?” Exam Date -

2. Quick quiz What can the motion be like of an object with BALANCED forces? (2 marks) What can the motion be like of an object with UNBALANCED forces (2 marks) How do you work out speed? What 2 equations can you use to work out acceleration? What is acceleration measured in?

3. Look at these rules of the road? Explain why you think each one is important 30mph road limit in a built up area Do not drink and drive ‘only a fool breaks the 2 second rule’ 70 mph on a motorway No use of a mobile phone whilst driving All these rules are to do with the time it takes you in an emergency. Look over the rules again and explain how they affect stopping distances

4. What affects stopping distances? Which of these affect a) thinking distance b) braking distance

5. Your total stopping distance is made up from braking and thinking distance What affects your braking distance? What affects your thinking distance?

8. Reaction time with alcohol Reaction time when tired What do these results tell you about the effect of tiredness and alcohol on reaction times?

9. http://www.driving-test- success.com/hazard/hazard-perception- video.htm http://getyourwebsitehere.com/jswb /rttest01.html Hazard perception test Reaction time test

10. What have you learnt? Do you know what affects stopping distances? Can you name 3 things which affect thinking distances? Can you name 3 things that can affect braking distance?