Most brake pedal installations are an example of what is called a ____-class lever.
A)first
B)second
C)third
D)fourth

Question

Quizplus · Accepted Answer

A second-class lever has the resistance between the effort and the fulcrum. In the case of a brake pedal, the pad, or brake shoe, is the resistance, the action of the foot pressing down on the pedal is the effort, and the pivot point on which the pedal rotates is the fulcrum.

Most Brake Pedal Installations Are an Example of What Is