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Issue:
Deepening explanation of the particle system movement rule
Author(s):
MA Jiang(theconstructionemployeeengineeringinstituteofgansu
,
LANZHOU 730050
,
china)
Pages:
76
-
78
Year:
2000
Issue:
4
Journal:
Journal of Northwestern Institute of Architectural
Keyword:
质点系
;
质心
;
外力
;
内力
;
动量
;
功
;
Abstract:
经典力学中有关质点系的运动定律已经表述得相当清楚 .但在实际问题中人们往往会产生各种不同的认识和理解 ,因而此类问题在各种教学研讨场合经常成为争论的热点 .通过对系统的几种受力状态的讨论、分析、对比 ,明确传统表述方式无可厚非 .通过对质点系运动定理和质点系动能定理的全局理解 ,就可以大大提高认识和解决问题的能力 .
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