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.
epicenter. 1  Also, epicentrum. Geology. a point, directly above the true center of disturbance, from which the shock waves of an earthquake apparently radiate. 2  a focal point, as of activity: Manhattan's Chinatown is the epicenter of the city's Chinese community.
The Great Epic. According to most dictionaries, an epic is an extended narrative poem in elevated or dignified language, celebrating the feats of a legendary or traditional hero. While this is true, the epic Beowulf contains more than those two requirements. This story contains five elements which make it an epic. There is an epic hero, action of an immense scale, an elevated writing style, long speeches meant to inspire or instruct, and also the descent into the underworld. An epic hero is a main character who embodies the ideals of a certain culture.