Answer to Question 1
Answer: horizontal pressure gradient force
Answer to Question 2
Answer: where p is pressure expressed in pascals, r (the Greek letter rho) is density in kilograms per cubic meter, R is a constant equal to 287 joules per kilogram per kelvin, and T is temperature (in kelvins). To put the equation in words, it tells us that if the air density increases while temperature is held constant, the pressure will increase. Similarly, at constant density, an increase in temperature leads to an increase in pressure.
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