在高中物理教学中,物理图象的理解是教学的重点,也是高考的难点.用图象法解决物理问题,简捷、形象、直观,学生易于接受和理解.但物理图象与坐标轴所围“面积”的物理意义,因坐标轴的含义不同而不同,因而明确图象中的面积所表示的实际物理意义,是解决问题的关键. In high school physics teaching, the understanding of the physical image is the focus of teaching, but also the difficulty of the college entrance examination.Using the image method to solve the physical problems, simple, visual, intuitive, easy to accept and understand the students.But the physical image and coordinate axis The physical meaning of “area ” varies depending on the meaning of the axes, so it is the key to solve the problem that the actual physical meaning expressed by the area in the image is clear.