In this constraint is broken even with the motivation of the resultant force.
在这种情况下,由于合力的改变,约束被打破了。
英语百科
Resultant force
A resultant force is the single force and associated torque obtained by combining a system of forces and torques acting on a rigid body. The defining feature of a resultant force, or resultant force-torque, is that it has the same effect on the rigid body as the original system of forces.