Solve Science Fair Experiment: Calculating G-Forces

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SUMMARY

This discussion focuses on a science fair experiment aimed at testing the effectiveness of various polymers in absorbing impacts, specifically targeting an exertion of approximately 25 g-forces. The participant notes that average football hits reach around 50 g-forces and seeks clarification on the conversion of g-forces to Newtons and pounds of force. The fundamental equation utilized in the experiment is F=ma, where the acceleration due to gravity is specified as 9.8 m/s². The conversation emphasizes the importance of using Newtons or pounds-force as standard measurements for force.

PREREQUISITES
  • Understanding of Newton's Second Law (F=ma)
  • Basic knowledge of g-forces and their application in physics
  • Familiarity with units of force, specifically Newtons and pounds-force
  • Experience with experimental design in a scientific context
NEXT STEPS
  • Research the conversion between g-forces and Newtons using the formula F=ma
  • Explore the properties of different polymers and their impact absorption capabilities
  • Investigate methods for accurately measuring force during impact tests
  • Learn about safety protocols and best practices for conducting physical experiments
USEFUL FOR

Students conducting science fair projects, educators in physics, materials scientists, and anyone interested in impact testing and material properties.

hsstudent
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First, I would like to say that I am doing a science fair experiment testing the effectiveness of different polymers in absorbing hits. I have decided that I am looking to exert about 25 g-forces on each polymer. Average football hits are in the 50 g- force range, and taking everything into account, I think half of that is reasonable. If you think that is too much, please let me know, but I am hesitant to go any higher than that. What I am asking is, I haven't really seen any definitive answers on how many Newtons are in a g- force, or how many pounds of force are in a g- force. So I am essentially looking for a mass and acceleration to do my experiment with


Homework Statement



?

Homework Equations



F=ma

The Attempt at a Solution


F=ma
F=m(9.8 m/s^2)
F/m=(9.8m/s^2)
 
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You ought to use a more accepted measure of force such as Newtons (most widely accepted) or lb-force (most widely known as the lb).
 

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