Summary. 1  Buoyancy (also known as the buoyant force) is the force exerted on an object that is wholly or partly immersed in a fluid. 2  The symbol for the magnitude of buoyancy is B or FB. 3  As a vector it must be stated with both magnitude and direction. Buoyancy (also known as the buoyant force) is the force exerted on an object that is wholly or partly immersed in a fluid. 2  The symbol for the magnitude of buoyancy is B or FB.
Epidemiologists collect and analyze data to investigate health issues. For example, an epidemiologist might collect and analyze demographic data to determine who is at the highest risk for a particular disease.pidemiologists collect and analyze data to investigate health issues. For example, an epidemiologist might collect and analyze demographic data to determine who is at the highest risk for a particular disease.
Epidemiologists study disease transmission. Vaccination for a virus. An epidemiologist may study public health crises in a given country. An epidemiologist may study car crashes as it relates to injuries. An epidemiologist may work with doctors and other health care workers to address specific health issues.View slideshow of images above.n epidemiologist may study car crashes as it relates to injuries. An epidemiologist may work with doctors and other health care workers to address specific health issues.