[SOLVED] Inclined Plane Problem 1. The problem statement, all variables and given/known data A box is accelerating down an inclined plane at a rate of 2m/s/s. If the plane is angled at 40degrees, what is the mass? 2. Relevant equations a=F net/m 3. The attempt at a solution I have absolutely no idea how to go about solving this problem. I am a newbie to physics and have tried to think of a way to solve this but without other forces i'm lost please help!!