1. The problem statement, all variables and given/known data 2. Relevant equations 3. The attempt at a solution For starters, I am a bit confused about how to work on this problem considering the only relevant equations given for this problem (in the chapter we are currently in) are the two equations for Fr and Fφ for a 2-D polar coordinate system. I'm not sure if I should assume there are no other forces and as such use these two as a general solution, but if I do so, I am at a loss as to how to go about addressing c)?