中学物理各类教学参考资料和各种试卷中 ,“机车以恒定功率加速直线运动”的问题由来已久 ,但其中某些使用多年的“典型题” ,实属我们一直没有察觉的“错题” .对此本文谨作简单分析 .1　物理情景在平直轨道上 ,质量为m的机车 ,以恒定功率P ,从初速度v0 开始 ,作加速直线运动 In the middle school physics teaching reference materials and various test papers, “the problem of locomotives accelerating linear motion with constant power” has been a long-standing problem, but some of these “typical questions” that have been used for many years are indeed the “mistakes” that we have not noticed. “. This article will briefly analyze this article. 1 Physical Scenario On a straight track, a mass m locomotive, with a constant power P, starting at the initial speed v0, for accelerated linear motion.”