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Inverse Square Law

This question came up in my textbook : Describe an example of a force you have experienced that follows the inverse square law. I couldn't think of any that I have "experienced", since I don't think that I have "experienced" the force of gravity that shows it is a inverse relationship.
 

Answers and Replies

837
1
Eh, it's just wording. They didn't ask for you to have experienced an inverse square law, they asked for a force that you have experienced, that follows an inverse square law. Gravity is a force that you have experienced, that follows an inverse square law.
 
32
0
The electric force in Coulomb's Law also adheres to the inverse square law and is one that you've experienced if you've ever been shocked (i.e. static electricity).

[tex]\vec{F}_{21}=k\frac{Q_{1}Q_{2}}{r^2} \hat{r}_{21} [/tex]
 

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