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A car was traveling leftward when the driver slammed on the brakes. The car is now in the process of stopping.

The motion of the car is in the
direction.
The net force on the car is in the
direction.
The acceleration of the car is in the
direction.

1 answer

In this scenario:

  1. The motion of the car is in the leftward direction. This is because the car was traveling leftward before the brakes were applied.

  2. The net force on the car is in the rightward direction. When the driver slams on the brakes, the braking force acts in the opposite direction of the car's motion (which is leftward). Therefore, the net force acting on the car is directed to the right to slow it down.

  3. The acceleration of the car is also in the rightward direction. Acceleration is defined as the change in velocity over time, and since the car is decelerating (slowing down while moving left), the acceleration must also be in the direction opposite to the motion, which is rightward.

In summary:

  • Motion: Leftward
  • Net Force: Rightward
  • Acceleration: Rightward