1. A 1000 kg car rounds a turn of radius 30m at a velocity of 9 m/s.
(a) How much centripetal force is required?
(b) Where does this force come from?
2. The maximum force a road can exert on the tires of a 3200 lb car is 2000 lb. What is the maximum velocity at which the car can round a turn of radius 320 ft?