Net Force Particle Model Quiz 2: Quantitative Net Force Vr=aAt + vi Ax = 'At? + VAT sum of forces = Fnet = ma va? = vi? + 2aAX u Fnormal Friction In the amusement park ride Mr. Freeze, riders are uniformly accelerated from rest by magnetic induction motors along a 70 meter horizontal track in just 5 seconds. While accelerating, friction exerts 500N of force on the train. Then the train coasts through the loops and turns of the remainder of the ride. A train loaded with passengers has a mass of 2500 kg. Draw a quantitative force diagram for the train while accelerating. Show all calculations.​