Why do people who drive F1 cars have to withstand 5 times their own gravity for an hour

In fact, "1 hour" is too exaggerated. "Bearing 5 times the gravity of oneself" means that the driver needs to overcome a strong inertia when cornering. Just like when a normal car brakes suddenly, people will also rush forward. At that time, in fact You're also experiencing gravity (centrifugal force), but it's just too small to be uncomfortable. For the acceleration, braking and cornering performance as good as F1, the gravity (centrifugal force) of the driver is naturally very large. Without professional training, it may even cause fractures~~~ After the death of countless drivers, F1 only With HANS (Head and Neck Protection System)