you push a 75 kg wooden box at a constant speed. the coeffiecent of kinetic friction between the box and the desk is 0.230. You pull the crate a distance of 8.75 m. How much work was done?

Question

you push a 75 kg wooden box at a constant speed. the coeffiecent of kinetic friction between the box and the desk is 0.230. You pull the crate a distance of 8.75 m. How much work was done? 
Explain steps please//

drwls · Answer

Multiply the friction force by the distance pulled. That will give you the work done, in Joules. The friction force is M*g*0.23 = 169.1 Newtons