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1 vote
1 answer
126 views

Potential energy in a field and potential energy between two objects? (Electrostatics and Gravitation)

What is the difference between the electrostatic potential energy of a charge immersed in an electrostatic field and the potential energy between two charges? Is there a connection between the two?...
Shootforthemoon's user avatar
5 votes
2 answers
1k views

Why does field strength follow the inverse square law but potential does not?

Either in a gravitational or electrical field, let's say an electrical field, the electrical field strength follows the inverse square law. This is fairly intuitive just due to the geometry of the ...
zacccczn's user avatar
  • 109
0 votes
1 answer
139 views

Intuitive explanation that mechanical energy is conserved in gravitational field

Suppose you have $n$ particles with masses $m_1, \cdots, m_n$ with position vectors $\vec{r_1}, \cdots, \vec{r_n}$. Now without any forces except gravity acting on them, conservation of mechanical ...
katana_0's user avatar
  • 1,195