If you push on the wall with a force of 400 N, what is the magnitude of the force at the wall exerts on you?

400 N

Explanation:

Due to action-Reaction, the wall pushes back on the person with a force of equal magnitude and in opposite direction to the force exerted by the person.

So the magnitude must be also 400 N.

like poles repel so keep pushing north to north and repels funny to see this

overcharge is the right answer system