纵观国内外赛场,优秀的运动员除了有娴熟的技术之外,大都有自己的“绝招”。尤其一些选手强有力的重拳或重腿,不仅给对手心理上以很大的威慑,也往往成为他们克敌制胜的“杀手锏”。是的,赛场便是缩小了的战场。不失时机的一记重击,即使不能令对方倒下,也能大大削弱其“战斗力”。从而为彻底战胜对手奠定一个良好的基础。“重击”也正得到更多的教练员、运动员的关注和青睐。下面我们不妨从动力学的角度来探讨一下“打击力”。 “合外力对物体(或物体系)的冲量等于物体(或物体系)动量的变 Throughout the stadium at home and abroad, outstanding athletes in addition to skilled technology, most have their own “trick.” In particular, some players strong punch or heavy legs, not only psychological opponents with a great deterrent, but also often become their victory over the enemy’s “killer.” Yes, the stadium is a reduced battlefield. A blow to the loss of opportunity will greatly weaken its “combat effectiveness” even if it can not make the other side fall. So as to completely defeat the opponent lay a good foundation. “Heavy blow” is also getting more coaches, athletes attention and favor. Below we may wish to explore from a kinetic point of view “strike force.” "The force of an external force on an object (or system of objects) equals the momentum of an object (or system of objects)