For any coplanar force system, as long as its principal vector is not equal to zero, the force system can be reduced to one single force.A:正确 B:错误答案: 正确作业02 Equilibrium of force systems Assignment2

点击这里，查看本门网课答案

For any coplanar force system, as long as its principal vector is not equal to zero, the force system can be reduced to one single force.A:正确 B:错误 答案: 正确作业02 Equilibrium of force systems Assignment2