Force - A push or pull acting upon a body. In a hydraulic cylinder, it is the product of the pressure on the fluid, multiplied by the effective area of the cylinder piston. It is measured in pounds or tons. Friction - The resistance to fluid flow in a hy- draulic system.
temperature increase The pressure of a contained sample of gas can be increased by increasing its temperature, or by decreasing its volume, or by injecting additional mas â¦ s into it.
This increases the work of the heart, as a pump, to move the thickened blood to the brain and vital organs, out to the limbs, and have it return again for oxygenation and the process continues again. Various factors combine to increase heart rate and blood pressure.