What phenomenon occurs when multiple inversions increase the intensity of the ride?

The correct answer is G-forces, which are the forces acting on a body as a result of acceleration or deceleration. When a roller coaster features multiple inversions, such as loops or corkscrews, the rider experiences varying levels of G-forces. This phenomenon occurs because each inversion requires the coaster to change direction quickly, resulting in rapid changes to the acceleration experienced by the rider.

During these inversions, the force of gravity interacts with the coaster's motion, creating a sensation of increased weight or pressure in the body. This effect can heighten the thrill of the ride, as riders feel the rush of the forces acting on them. The intensity of G-forces can vary based on the design and speed of the coaster as well as how tightly packed the inversions are.

In contrast, while acceleration refers to the rate of change of velocity, it does not specifically encapsulate the experience of forces during inversions. Momentum is related to the mass and velocity of the coaster, but it does not directly account for the sensations experienced by riders during inversions. Centrifugal force, which is perceived in a turning motion, also does not fully address the combined effects of gravity and acceleration experienced during the inversions themselves. Thus, G-for