Working of Drum Type Brake: When we apply brake to the motorcycle that means we are applying force 'F' to the brake shoes. This force pushes the brake shoes towards the drum surface. The brake shoe pushes the brake linings which are high friction components against the drum surface. The contact between brake lining and drum reduces the speed of the vehicle. By the virtue of friction between drum and shoes, the kinetic energy (energy of motion) is converted into heat. If we are continuously applying the force on the brakes of the vehicle, the vehicle will stop finally.