The force of static friction exerted on an automobile's tires by the ground
a. provides the accelerating force that makes the car move forward. b. does positive work on the car while it is accelerating.
c. does negative work on the car while it is decelerating.
d. does everything listed in (a), (b) and (c).
e. only does positive or negative work as in (b) or (c).
A
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