A 1000-Kg Car Is Driving Toward the North Along a Straight

Multiple Choice

A 1000-kg car is driving toward the north along a straight road at a speed of 20.0 m/s. The driver applies the brakes and the car comes to a rest in a distance of 140 m. What is the constant force applied to the car to bring it to rest?

A) 1.43 N north
B) 7.00 × 10³ N south
C) 1.43 × 10³ N south
D) 1.43 N south
E) 143 N south