1. The problem statement, all variables and given/known data While moving in, a new homeowner is pushing a box across the floor at a constant velocity. The coefficient of kinetic friction between the box and the floor is 0.410. The pushing force is directed downward at an angle theta below the horizontal. When theta is greater than a certain value, it is not possible to move the box, no matter how large the pushing force is. Find that value of theta. 2. Relevant equations FKinetic = [tex]\mu[/tex] FN [tex]\Sigma[/tex]Fx = 0 3. The attempt at a solution FN = mg + F sin [tex]\theta[/tex] FKinetic = [tex]\mu[/tex]FN [tex]\Sigma[/tex]Fx = -FKinetic + F cos [tex]\theta[/tex] = 0 This is as far as I can get. Can you please explain how theta is found? Thanks so much!