本题目来源于试卷: Physics Unit6: Work and Energy，类别为 通用国际物理
[问答题]
State the principle of co-3 .o9y 8szsqojan.(wrqes o 0wqz*9u nservation of mechanical energy for conservvits06,lfu3h6du. zg.q9 5f k trc*zx ative forces6u gkf 5zhl0*39dczutt.qf v. ,xir6s .
参考答案:
If only conservative forces are acting, the total mechanical energy of a system neither increases nor decreases in any process. It stays constantπit is conserved.
本题详细解析:
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