Homework Statement
The two blocks, m1 = 3.3 kg and m2 = 4.2, in the figure below are connected by a massless rope that passes over a pulley. The pulley is 12 cm in diameter and has a mass of 2.0 kg. As the pulley turns, friction at the axle exerts a torque of magnitude 0.35 Nm. If the blocks...
a.)
I know that the equations are these to get the solution of the angle however I don't know why the Fy is what the equation states it is. (the equation was given by my teacher and I didn't understand why he gave this equation since it wasn't explained)
The thing is..focusing on
I do know...