... pressures.¹

There is yet another type of force distributed over an area that we will discuss--it is the stress tensor. Unfortunately for students, there is another minus sign that comes in when going from pressure to stresses. A positive stress is tensile.

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... Temperature:²

Note that we have not defined temperature yet, but let's proceed anyways

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... law.³

Think about what a thermometer is for a moment. How do they work? How are materials properties important in the construction of a thermometer? What kinds of precautions do you need to take to make sure that you are measuring the temperature of the object about which you are making an inquiry and not the thermometer itself.

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... temperature.⁴

The body must also be in equilibrium or uniform temperature.

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