Answer :
Final answer:
The output of the system when the police car driver hits the brakes is the car slowing down. This occurs as the energy of motion is converted into heat through friction. Therefore, the correct choice is that the car slowing down represents the output.
Explanation:
Understanding Outputs in a System
In the context of the scenario with the police car, we need to identify the output in the system when the driver hits the brakes. An output in a system is generally defined as a result of an input or a process that has been initiated.
Options Analysis
- The driver steering the car: This action is part of the inputs or processes happening within the system but does not represent an output.
- The driver hitting the brake: This is an action taken by the driver and part of the input to the system.
- The car slowing down: This represents the result of the driver hitting the brakes, indicating that energy is being dissipated and the velocity of the car is decreasing.
Based on this analysis, the correct answer is that the car slowing down is the output of the system. This happens as all the energy of the car's motion is converted into heat in the brake shoes, and friction is created between the brake pad and the brake disc, leading to a reduction in the car's speed.
Learn more about system outputs here:
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