物理学 第五版 3-8能量守恒定律 能量守恒定律( The law of conservation ofenergy): 对一个与自然界无任何联系的系统来说,系统内 各种形式的能量可以相互转换,但是不论如何转换, 能量既不能产生,也不能消灭 For a system that is isolated from nature, various forms of energy in the system can be converted into one another, but no matter how the forms ofenergy are converted, energy can not be produced, nor can it be destroyed 第三章动量守恒和能量守恒 2/5第三章 动量守恒和能量守恒 物理学 第五版 3-8 能量守恒定律 2/5 对一个与自然界无任何联系的系统来说, 系统内 各种形式的能量可以相互转换，但是不论如何转换， 能量既不能产生，也不能消灭． 能量守恒定律(The law of conservation of energy)： For a system that is isolated from nature, various forms of energy in the system can be converted into one another, but no matter how the forms of energy are converted, energy can not be produced, nor can it be destroyed