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.
Best Answer: The epicenter or epicentre (ancient Greek: ÎµÏÎ¯ÎºÎµÎ½ÏÏÎ¿Î½) is the point on the Earth's surface that is directly above the point where an earthquake or other underground explosion originates. The epicenter is directly above the hypocenter, the actual location of the energy release inside the earth.picenter is properly a geological term identifying the point of the earth's surface directly above the focus of an earthquake. No doubt this is why the Usage Panel approves of figurative extensions of its use in dangerous, destructive, or negative contexts.