فكر فيزيائيا

[زين العابدين]

Given two steel balls of the same size. One ball is at rest on the horizontal plane, while the other is suspended from a fine chord made from a good insulator. The centres of gravity of the two balls at the same horizontal level at the beginning of the experiment. The same quantity of heat is applied to both balls. Are the temperatures of the two balls the same?
Explain your reasons.( All kinds of heat losses are negligible