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物理“二力平衡”一节,要求同学们知道什么是力的平衡和二力平衡条件,会用二力平衡的知识分析,解决简单的问题.怎样才能把这一节学好,达到要求呢?应从以下几方面掌握.
The physics “two forces balance” section asks the students to know what is the balance of forces and the balance conditions of the two forces. It will use the knowledge of the two forces to analyze and solve simple problems. How can we learn this section well and meet the requirements? Should grasp from the following aspects.