3/7/2011Physics 214 Fall 20101Q15Is it possible for a solid metal ball to float in mercury? The upward force is the weight of liquid displaced and the downward force is the weight of the ball. If the density of the liquid is greater than that of the ball it will float.A). Yes. B). No.
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Temperature and Its Measurement•When the physical properties are no longer changing, the objects are said to be in thermal equilibrium.•Two or more objects in thermal equilibrium have the same temperature.–If two objects are in contact with one another long enough, the two objects have the same temperature.•This is the zeroth law of thermodynamics.