What component of a car's braking system is composed of steel backing plates with friction material?
Answer Brake pads
Brake pads are made of steel backing plates with friction material bonded to the disc brake's rotor-facing surface. Through friction, they transform the kinetic energy of a vehicle into heat. Two brake pads are included in a brake.
Asked by Vasilii Kulev · Last updated 3 years ago · 14.8K views · SOURCE