A thermos flask containing a liquid is shaken vigorously . What happens to its temperature?

A thermally insulated can (like thermal flask) containing a liquid is shaken vigorously. Will there be any change in the amount of heat energy present in it. If there is a change, discuss how it can be noticed.

A thermos flask containing tea is shaken vigorously considering tea as a system. (a) Has heat been added to tea? (b) Has work been done on it? (c) Has its internal energy changed? (d) Does its temperature rise?

A thermos flask contains coffee. It is shaken vigorously. (i) Has any heat been added to it. (ii) Has any work been done on it. (iii) Does it internal energy change? (iv) Does its temp. rise?

When a thermos flask with some water in it is vigorously shaken. Does its temperature rise. Has some heat added to water during the process.

What happens when a thermoflask containing some gas is shaken vigorously ?

A liquid in a thermos flask is vigorously shaken. Then the temperature of the liquid