Driving home from school one day, you spot a ball rolling out into the street (see the figure ). You brake for 1.30 s, slowing your 980-{\rm kg} car from 16.0 \rm m/s to 9.50 \rm m/s.
What was the magnitude of the average force exerted on your car during braking?
F =

\rm N

Part B
What was the direction of the average force exerted on your car during braking?

To the direction of motion.
Opposite to the direction of motion.