Question

6.(a)State Achemede's Principle? 2.5
(b) Write a brief account on energy (K.E/P.E) ? 2.5​

Answer 1

Explanation:

a. Archimedes’ principle states that a body immersed in a fluid is subjected to an upwards force equal to the weight of the displaced fluid. This is a first condition of equilibrium. We consider that the above force, called force of buoyancy, is located in the centre of the submerged hull that we call centre of buoyancy. A second condition, known as Stevin’s law, states that the centre of gravity of the floating body and its centre of buoyancy must lie on the same vertical. For a small angle of inclination the initial and the inclined waterplanes intersect along a line passing through the centroid of the waterplane. For various inclinations the centre of buoyancy travels along a curve whose centre of curvature is called metacentre. For a body floating at the surface, the equilibrium is stable if the metacentre is situated above its centre of gravity.

b. ??

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