How Do You Find g Using Atwood's Machine?

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SUMMARY

To find the acceleration due to gravity (g) using Atwood's machine, one must rearrange the formula a = [(m2 - m1)g] / (m1 + m2). The key to solving for g is accurately measuring the acceleration (a) of the system. Once the acceleration is determined, g can be calculated by manipulating the formula. This method provides a practical application of Newton's second law in a laboratory setting.

PREREQUISITES
  • Understanding of Newton's second law of motion.
  • Familiarity with Atwood's machine setup and mechanics.
  • Ability to measure acceleration accurately.
  • Basic algebra for rearranging equations.
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  • Research methods for measuring acceleration in Atwood's machine experiments.
  • Study the derivation of the Atwood's machine equations.
  • Explore practical applications of Newton's laws in physics experiments.
  • Learn about error analysis in experimental physics to improve measurement accuracy.
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Students studying physics, educators teaching mechanics, and anyone interested in experimental methods for determining gravitational acceleration.

blindsided
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Hi!
I have an assignment to write a mini-essay of sorts on Atwood's machine. One of the things I need to cover is how to find the value of g by using Atwood's machine. I really have no idea how to do this. I was thinking about rearranging a= [(m2-m1)g] / (m1+m2) but I don't understand how to get a.
Help would be greatly appreciated!
 
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blindsided said:
... but I don't understand how to get a.
If you are using this to find g, you'd have to measure the acceleration.
 
Ah, I understand now. Thank you!
 

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