一、关于“力”的问题我们知道日常生活中的推、拉、提、压、挤等都是力的作用,要产生力的这种作用,必须有相互作用的物体存在,从实际例子我们可以分析得出,力是物体对物体的作用,力不能脱离物体而存在。而且当发生力的作用时一定有两个以上的物体存在。一个物体对另一个物体施 First, on the issue of “force”, we know that pushing, pulling, lifting, pressing, squeezing, etc. in daily life are all forces. To produce such a role, we must have interacting objects. From practical examples we It can be analyzed that force is the effect of an object on an object and force cannot exist without it. And when there is force, there must be more than two objects. One object is applied to another