我们身边有许多物理现象和物理知识的应用,了解它们对巩固所学过的知识大有益处,同时还可提高我们对学习物理的兴趣。同学们知道教室里有哪些物理知识吗?1力学知识①打开课桌的翻盖时,手放在前边缘较省力我们打开课桌的翻盖是杠杆的应用,支点在铰链处。在其前边缘用力时,相当于 There are many applications of physical phenomena and physical knowledge around us to understand that they are good for consolidating what we have learned while also increasing our interest in learning physics. Students know what physical knowledge in the classroom? 1 mechanical knowledge ① open the desk flip, hand on the edge of the more effort We open the desk flip is a lever application, fulcrum at the hinge. The front edge of the force, the equivalent