When a gas is pushed down onto an incompressible liquid like water contained in a cup, the force exerted by the gas will be transmitted to both the liquid and the bottom of the cup.
The gas exerts pressure on the liquid surface, and according to Pascal's principle, this pressure is transmitted uniformly throughout the fluid. As a result, the liquid will experience an upward force equal in magnitude to the pressure exerted by the gas. This force will distribute across the liquid's surface, causing it to push against the walls of the cup.
Simultaneously, the gas will also exert a force on the bottom of the cup. This force is a consequence of the gas pressure pushing down on the liquid, and it is transmitted through the liquid to the cup's bottom. Therefore, the bottom of the cup will experience an upward force due to the pressure of the gas and the incompressible nature of the liquid.
In summary, when a gas is pushed down onto an incompressible liquid, the force of the gas will be absorbed by the liquid and transmitted to both the liquid's surface and the bottom of the cup.