>2)The banked curve Fig 5-20 Let the block in Fig 5-y 20 represent an car moving at constant CR automobile or railway a speed v on a level roadbed around a curve having a radius b) of curvature r Where cloes ihe centripetal force corne frorm? a): sidewise frictional b): Nsin 0=mv2/R force exerted by the Ncos=m road on the tires tanb=v/Rg➢2) The banked curve Let the block in Fig 5- 20 represent an automobile or railway car moving at constant speed v on a level roadbed around a curve having a radius of curvature R. Fig 5-20 • c R → v → v Where does the centripetal force come from? a): sidewise frictional force exerted by the road on the tires. N sin mv / R 2  = a) b) b): N cos = mg tan v / Rg 2  = 