大学物理 ›› 2012, Vol. 31 ›› Issue (2): 6-6.

• 著者文摘 • 上一篇    下一篇

从容器内液体中取出任意形状物体的最小功

张九铸   

  1. 金川集团公司龙门学校,甘肃金昌737100
  • 出版日期:2012-02-25 发布日期:2012-02-20

The minimum work for picking out an arbitrary shape object from liquid in a container

  • Online:2012-02-25 Published:2012-02-20

摘要: 由功能原理,导出了从容器内液体中取出任意形状物体所做的最小功公式.

关键词: 功, 机械能, 重心

Abstract: This article use law of mechanicl energy to bring forward the formula for calculating the minimum work for picking out an arbitrary shape object from liquid in a container.

Key words: work, mechanical energy, centre of gravity

中图分类号: 

  • O313