Pressure Summary

Pressure Pressure is a physical force exerted over a surface. Specifically, it is defined as a force (F) divided by unit area (A). When expressed relative to a pure vacuum, this quotient is referred t... Read more

High-Pressure Physics The study of high-pressure physics includes any type of physical research in which unusually high pressures are used. There is no specific definition for "high pressures," but th... Read more

Each cyclist must convert the energy stored in his or her muscles into torque to move the pedals. To go uphill, the necessary rate of work (power) increases as does the required torque. (Corbis Cor... Read more