If you exert a horizontal force of 200 N to slide a crate

Last updated: 7/31/2022

If you exert a horizontal force of 200 N to slide a crate across a factory floor at constant velocity, how much friction does the floor exert on the crate? Is the force of friction equal and oppositely directed to your 200-N push? If the force of friction isn't the reaction force to your push, what is?