How many "accelerators" do you have in your car? There are

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

ISBN: 9780130606204 3

Solution for problem 6Q Chapter 5

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition

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Problem 6Q

Problem

How many "accelerators" do you have in your car? There are at least three controls in the car which can be used to cause the car to accelerate. What are they? What accelerations do they produce?

Step-by-Step Solution:

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Step by step solution

Break pedal- it is used to slow down the car. If the car is slowing down, that means it has a negative acceleration, or that is deaccelerates.
Gas pedal- it is used to control the speed of the car. If pushing hard the pedal, the car will accelerate. If stop pushing the pedal, then the car will continue its motion by inertion.
The steering wheel- it changes the direction of the motion of the car. If the car is moving on a curve with constant speed, the acceleration is changing in every point of the path.
The parking break- As it is a break, it stops the car from moving when it is parked, so it is also giving negative acceleration.
The gear shift leaver- by changing the gear the car may have higher speed, or it can accelerate more.
The clutch- it prevents acceleration and keeps the car moving with the same speed as before pushing it. That enables the car to change the gear.