Use g 10m/'s's for all problems m2 30 1. Two masses are connected by a string over a pulley. Mass I is 10 kg and mass 2 is 30 kp- Friction between mass 2 and the Inclined ramp is holding the system at rest. If there were no friction, mass 2 would slide down the plane. a) Find the magnitude of the frictional force between mass 2 and the ramp. (4pts) b) What is the minimum coefficient of static friction (between mass 2 and the ramp) required to keep the system at rest? (3pt)