Total Force on Point Charge from 2 Point Charges/Also presented as
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Total Force on Point Charge from 2 Point Charges: Also presented as
This can also be presented as:
| \(\ds \mathbf F_1\) | \(=\) | \(\ds \mathbf F_{21} + \mathbf F_{31}\) | ||||||||||||
| \(\ds \) | \(=\) | \(\ds \dfrac {q_1} {4 \pi \varepsilon_0} \paren {\dfrac {q_2} { {r_{2 1} }^3} \mathbf r_{2 1} + \dfrac {q_3} { {r_{3 1} }^3} \mathbf r_{3 1} }\) |
where:
- $\mathbf F_{21} + \mathbf F_{31}$ denotes the vector sum of $\mathbf F_{21}$ and $\mathbf F_{31}$
- $\mathbf r_{ij}$ denotes the displacement from $q_i$ to $q_j$
- $r_{ij}$ denotes the distance between $p_i$ and $p_j$
- $\varepsilon_0$ denotes the vacuum permittivity.