动能定理应用中的一个问题

A note on the applications of the theorem of kinetic energy

针对某些不能实现 (一般在计算前不知能否实现 )的题设运动 ,动能定理积分形式也有“解”的情况 ,用两个例子分析了问题的原因 .指出了动能定理积分形式应用中的注意点和验证解是否与实际吻合的途径 .

Abstrace: Theorem of kinetic energy sometimes do give a solution of an exercise, but the corresponding motion is really eannot be realized. The reason is analyzed and the way to avoid such case is given by two examples.