Braking+Systems

__**How do Car Brakes Work?**__ __**[]**__

When you depress your brake pedal, the car transmits the force from your foot to its brake through a fluid. Since the actuall brake requires a much greater force then you could apply with your leg, you car must also aply the force of the foot, it does this in two ways: The breaks transmit the force using tires using 'friction', and the tires transmit that force to the road to also create friction. There are three principles that are used in in brakes: 1.Leverage 2.Hydraulics 3.Friction
 * - Mechanical advantage** (leverage)
 * - Hydraulic force multiplication**

The fi­gure below, a force F is being applied to the left end of the lever. The left end of the lever is twice as long (2X) as the right end (X). Therefore, on the right end of the lever a force of 2F is available, but it acts through half of the distance (Y) that the left end moves (2Y). Changing the relative lengths of the left and right ends of the lever changes the multipliers.
 * Levers:**

The basic idea behind any hydraulic system is very simple: Force applied at one point is transmitted to another point using an **incompressible fluid**, almost always an oil of some sort. Most brake systems also multiply the force in the process.
 * Hydraulics:**

­Friction is a measure of how hard it is to slide one object over another. Take a look at the figure below. Both of the blocks are made from the same material, but one is heavier. I think we all know which one will be harder for the bulldozer to push. ­
 * Fricition:**

__**What is a Disc Brake ? []**__

A hydraulic braking assembly consisting of a brake disc, or rotor, mounted on an axleshaft, and a caliper assembly containing usually two brake pads which are activated by hydraulic pressure. The pads are forced against the sides of the disc, creating friction which slows the car.

__**How Disc Brakes Work?**__ [] The main components of a disc brake are: - The **brake pads** - The **caliper**, which contains a piston - The **rotor**, which is mounted to the hub

The disc brake is a lot like the brakes on a bicycle. Bicycle brakes have a caliper, which squeezes the brake pads against the wheel. In a disc brake, the brake pads squeeze the rotor instead of the wheel, and the force is transmitted hydraulically instead of through a cable. Friction between the pads and the disc slows the disc down.