Suppose you are driving north and suddenly hit your brakes to avoid a dog in the road. As you come to a stop your acceleration is directed
A) North
B) South
C) Nowhere because acceleration is a scalar
D) Downwards

Question

Quizplus · Accepted Answer

When you hit your brakes to stop while driving north, your acceleration is directed opposite to your direction of motion, which is south. Acceleration is a vector quantity that describes the rate of change of velocity, including its direction.

Suppose You Are Driving North and Suddenly Hit Your Brakes