New GCSE AQA Physics lesson on Impact Forces written in line with new AQA Physics specification. All questions provided with answers within power point.
Starter ‘Car Wars’ looks at the test collision between an old and a new vehicle to stimulate discussion of collisions and safety - posing the question which car is safer and why?
This is discussed and reviewed focusing on crumple zones and comparing how each car crumpled and why this is good (or for the old car, bad).
Crumple zones, air bags and seat belts are detailed and discussed for common function - to increase impact time to decrease impact force. This concept is highlighted by exploring the physics mathematically.
Review questions with answers are provided for the topic.
Lesson Objectives:
- Identify key safety features of vehicles to reduce impact force.
- Explain how ‘impact time’ affects impact force.
- Relate momentum to impact forces in collisions and explain how impact forces can be reduced in car collisions.
- Calculate impact forces resulting from collisions.
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Excellent resource - the concept of impact forces really nicely explained using something all pupils can relate to - really great value for money too - thanks!
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