What is the primary purpose of ground spoilers?

The primary purpose of ground spoilers is to reduce drag and speed on the ground. When an aircraft lands, these devices deploy to disrupt the airflow over the wings, which helps to decrease lift and increase drag. This action is crucial because it allows the aircraft to decelerate more efficiently after touchdown. By increasing drag and effectively lowering the lift produced by the wings while on the ground, ground spoilers contribute to a quicker stop, enhancing safety and performance during landing operations.