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How does the air pressure in a football helmet affect cushioning?Featured science projectScience project video

Observation

 

Air pressure (mmHg) Force of impact (N)
10 50
20 40
30 30
40 20
50 10

For 10 mmHg, the force of impact is 50 N.
For 20 mmHg, the force of impact is 40 N.
For 30 mmHg, the force of impact is 30 N.
For 40 mmHg, the force of impact is 20 N.
For 50 mmHg, the force of impact is 10 N.

 

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Complexity level:
5
Project cost ($):
30
Time required:
5 hours preparation time, observation time only takes a matter of seconds. However, do allocate some extra time in case of any mistakes.
Material availability:
Besides the helmets, all the other materials should be obtained from a school laboratory.
Safety concerns:

Be careful to keep clear of the falling weight.