Which suspension is a short/long arm?

The short/long arm suspension, also known as SLA or unequal length double-wishbone suspension, is a type of double-wishbone suspension system. Here are the steps to understand it:

1. The term "short/long arm" refers to the lengths of the upper and lower control arms of the suspension system. In this system, the arms are of unequal length.

2. The upper arm is typically the shorter one, and the lower arm is the longer one. This design allows for better control of the wheel's vertical movement.

3. The arms are connected to the vehicle's chassis and the wheel hub, allowing the wheel to move up and down while limiting its forward and backward movement.

4. The system also includes other components like springs and shock absorbers to absorb road shocks.

5. This type of suspension system is commonly used in many types of vehicles, including cars and trucks, because it provides good stability and handling characteristics.