1. The problem statement, all variables and given/known data A string is wrapped around a pulley of radius 3.45cm , and a weight hangs from the other end. The weight falls with a constant acceleration 3.00m/s2 . What's the angular acceleration of the pulley? 2. Relevant equations i'm writing out the equations i would think that are involved. a=Δw/Δt Centripital force Fr=mv^2/R ( i think) Newtons second law ω=ωi+at 3. The attempt at a solution I am just so stuck...and don't know how to start. I drew out a free body diagram and Drew out the forces for the mass and pulley For the mass all i have is the Tension and mg. there is no weight for the pully so all i have is tension I would need to sum the forces right?