1. The problem statement, all variables and given/known data A factory worker pushes a 30.0 kg crate a distance of 4.5 m along a level floor ata constant velocity by pushing horizontally on it. The coefficient of friction is .25. I have been trying and i cant figure out how to solve this problem. Every attempt i make is dead end. I am not sure how to solve for the force will using the coefficient of friction. Any help will be appreciated.