The medical name for blood in the urine is haematuria. If blood in the urine is obvious with the naked eye, it is called macroscopic, or visible haematuria. If the blood can only be detected with laboratory testing, it is called microscopic, or non-visible.
This is not a new kind of force; it is merely force as applied in circular or rotational motion, and it is absolutely essential. Hence, physicists speak of a centripetal force requirement: in the absence of centripetal force, an object simply cannot turn. Instead, it will move in a straight line.
uncountable noun. In physics, centrifugal force is the force that makes objects move outwards when they are spinning around something or travelling in a curve. The juice is extracted by centrifugal force.