What is the strength of the strong force in N units

[Dilema]

In addition.
1. what is the presure of this force (alternativly wat is the efferctiv area it is acting on?...nucleai corrss section area?).

 

[Orodruin]

At the scales over which the strong force is relevant, it is not really appropriate to speak about forces. It is more accurate to talk about the strong interaction.

 

[mfb]

The typical length scale of the strong interaction is 1 femtometer, and the typical energy is 100 MeV. If you divide the two, you get 16000 N. This is not a force on anything, but it gives a rough idea how strong the strong interaction is.
A crane can exert the same force on an object (e. g. to lift a car) - but the crane is made out of 10³⁰ atoms, not just a single nucleus.

 

[Meir Achuz]

The strength of the strong force is usually given in terms of $\alpha_s$, the strong equivalent of the electromagnetic fine structure constant $\alpha$. A difference between them is that $\alpha_s$ has a strong variation with momentum transfer in a given process.
$\alpha_s$ is close to 1 at low energies, important for quark model and nuclear static properties, and about 0.1 around the mass of the Z vector boson. There are theoretical speculations that $\alpha_s$ would approach $\alpha$ as the momentum transfer became infinite.