When body sink in liquid ? Explain ?
When a body float on the surface of liquid ?
Write the law of floatation and describe its cases.
A solid sphere of density $\eta$ $( > 1)$ times lighter than water is suspended in a water tank by a string tied to its base as shown in fig. If the mass of the sphere is m then the tension in the string is given by
What is buoyant force ?
A container of liquid is free fall without flyout of liquid is this container obey the principle of Archimedes ?