About Spotsylvania County. 1  Spotsylvania County Public Schools are governed by a seven-member elected School Board. 2  There are 31 public schools and centers including 17 elementary schools, seven middle schools, five high schools, one alternative learning center, and one Career and Technical Center.
Definition. Reduction in the amount of energy consumed in a process or system, or by an organization or society, through economy, elimination of waste, and rational use.
I think you mean conservation of momentum. Conservation means to keep or to save. In this phrase, it means that momentum (velocity X mass) is conserved. Meaning that the total momentum of any closed system (one not affected by external forces) cannot be changed. Momentum is a vector quantity-it has direction.ating Newest Oldest. Best Answer: Actually, it is conservation, NOT conversation of momentum, which means that the total momentum of a closed physical system (i.e. no external forces acting on the system) remains the same always, no matter what happens over time.