# How to Calculate and Solve for Net Force between Two Atoms | Crystal Structures

The image above represents net force between two atoms. To calculate net force between two atoms, two essential parameters are needed and these parameters are Attractive Force (FA)Â and Repulsive Force (FR).

### The formula for calculating net force between two atoms:

FNÂ = FAÂ + FR

Where:

FNÂ = Net Force between Two Atoms
FAÂ = Attractive Force
And then, FRÂ = Repulsive Force

Given an example;
Find the net force between two atoms when the attractive force is 15 and the repulsive force is 3.

This implies that;

FA = Attractive Force = 15
FR = Repulsive Force = 3

That is, FNÂ = FAÂ + FR
FN = 15 + 3
FN = 18

Therefore, theÂ net force between two atoms isÂ 18 N.

### Calculating the Attractive Force when the Net Force between Two Atoms and the Repulsive Force are Given

FA = FN – FR

Where:

FAÂ = Attractive Force
FNÂ = Net Force between Two Atoms
And also, FRÂ = Repulsive Force

Let’s solve an example;
Find the attractive force when the net force between two atoms is 10 and the repulsive force is 6.

This implies that;

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FN = Net Force between Two Atoms = 10
FR = Repulsive Force = 6

That is, FA = FN – FR
FA = 10 – 6
FA = 4

Therefore, theÂ attractive forceÂ isÂ 4 N.

### Calculating the Repulsive Force when the Net Force between Two Atoms and the Attractive Force are Given

FR = FN – FA

Where:

FRÂ = Repulsive Force
FNÂ = Net Force between Two Atoms
And then, FA = Attractive Force

Given an example;
Find the repulsive force when the net force between two atoms is 20 and the attractive force is 12.

This implies that;

FN = Net Force between Two Atoms = 20
FA = Attractive Force = 12

That is, FR = FN – FA
FR = 20 – 12
FR = 8

Therefore, theÂ repulsive forceÂ is 8 N.

### How to Calculate Net Force between Two Atoms Using Nickzom Calculator for Accuracy

Nickzom Calculator â€“ The Calculator Encyclopedia is capable of calculating the net force between two atoms.

To get the answer and workings of the net force between two atoms using the Nickzom Calculator â€“ The Calculator Encyclopedia. First, you need to obtain the app.

You can get this app via any of these means:

You can also try theÂ demoÂ version viaÂ https://www.nickzom.org/calculator

Apple (Paid)Â â€“Â https://itunes.apple.com/us/app/nickzom-calculator/id1331162702?mt=8
Once, you have obtained the calculator encyclopedia app, proceed to theÂ Calculator Map,Â then click onÂ Materials and MetallurgicalÂ underÂ Engineering.

Now, Click onÂ Crystal StructuresÂ underÂ Materials and Metallurgical

Now, Click onÂ Net Force between Two Atoms underÂ Crystal Structures

The screenshot below displays the page or activity to enter your value, to get the answer for the net force between two atoms according to the respective parameter which is the Attractive Force (FA)Â and Repulsive Force (FR).

Now, enter the values appropriately and accordingly for the parameter as required by the Attractive Force (FA) is 15 and Repulsive Force (FR) is 3.

Finally, Click on Calculate

As you can see from the screenshot above, Nickzom Calculatorâ€“ The Calculator Encyclopedia solves for the net force between two atoms and presents the formula, workings and steps too.