New GCSE AQA Physics lesson on Forces and Braking written in line with new AQA Physics specification. All questions are provided with answer within the Power Point.
Lesson starts by discussing the speed limit for vehicles against the maximum speeds vehicles can achieve. Stopping distances is explored by looking at different size vehicles going at the same velocity and then braking. Stopping distance is also reviewed against different velocities.
Thinking distance and braking distance are highlighted and discussed with a class activity exploring the effects of different factors on thinking distance with higher or lower activity. A class activity is also provided to investigate pupils reaction time to relate to thinking distance.
A quick review on resultant forces in relation to vehicles is explored through questioning, this leads to the physics of stopping vehicles through braking. This leads to an exploration of the physics of braking in terms of changes to energy stores and then also how to calculate braking force.
Summary questions are provided on this topic to finish the lesson.
Plenary poses the starting question again in light of new information pupils will now have.
Lesson Objectives:
- Evaluate different vehicle speeds for stopping distances
- Explain what happens during braking of a vehicle.
- Identify and explain what can effect the stopping distance of a vehicle.
- Investigate how a drivers reaction time effect stopping distance.
- Calculate the braking force of a required for moving vehicles.
Lesson starts by discussing the speed limit for vehicles against the maximum speeds vehicles can achieve. Stopping distances is explored by looking at different size vehicles going at the same velocity and then braking. Stopping distance is also reviewed against different velocities.
Thinking distance and braking distance are highlighted and discussed with a class activity exploring the effects of different factors on thinking distance with higher or lower activity. A class activity is also provided to investigate pupils reaction time to relate to thinking distance.
A quick review on resultant forces in relation to vehicles is explored through questioning, this leads to the physics of stopping vehicles through braking. This leads to an exploration of the physics of braking in terms of changes to energy stores and then also how to calculate braking force.
Summary questions are provided on this topic to finish the lesson.
Plenary poses the starting question again in light of new information pupils will now have.
Lesson Objectives:
- Evaluate different vehicle speeds for stopping distances
- Explain what happens during braking of a vehicle.
- Identify and explain what can effect the stopping distance of a vehicle.
- Investigate how a drivers reaction time effect stopping distance.
- Calculate the braking force of a required for moving vehicles.
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