1. The problem statement, all variables and given/known data If a force of 45 newtons is needed to overcome friction and the coefficient of friction=0.26, what is the mass of the object? 3. The attempt at a solution So would I need to find the frictional force first? But then I can't use the equation: (frictional force=coefficient of friction x weight) since I dont have the mass. I also thought about using the equation F=MA but then I dont have the acceleration, the friction, or the net force! Any help, I'm really stuck?