In Star Trek: What does NCC mean in the enterises designation and what does U.S.S. mean for USS ENTERPRISE.
Definition of SURFACE TENSION: A property possessed by liquid surfaces whereby they appear to be covered by a thin elastic membrane in a state of tension, the surface tension being measu Science Dictionary The World's Largest Online Science Dictionary
Definitions of stress and strain. Nominal stress: the force on the object divided by the original area. True stress: the force on the object divided by the actual area. E.g., when necking occurs the true stress is the force applied divided by the area of the neck. The unit for stress is Nm-2, or Pa. Nominal strain: change in dimension / original dimension. This is also known as the engineering strain, and is strictly only true for very small displacements.