| 1. | For every action there's an equal and opposite reaction .
每一个作用力都会引起相等的和相反的反作用力。 |
| 2. | The forces between interacting bodies are equal and opposite .
相互作用的物体之间的力大小相等、方向相反。 |
| 3. | A torque of this kind, arising from a pair of equal and opposite forces, is sometimes called a couple .
由一对相等而相反的力产生的这类转矩，有时叫做力偶。 |
| 4. | The resultant force on the loop is evidently zero, since the forces on opposite sides are equal and opposite .
这一回线所受的合力显然为零，因为作用在相对两边上的力是等值而反向的。 |
| 5. | The condition of equilibrium of the member requires that the pair of forces coming from the joints must be equal and opposite .
元件的平衡条件要求来自连接点的一对力必须大小相等，方向相反。 |
| 6. | The reactions(forces)on each sphere were equal and opposite and directed along the diameter through the point of contact .
每个球上的反作用（力）大小相等方向相反，其作用方向沿着通过接触点的直径。 |
| 7. | Since the law says that for every action there is an equal and opposite reaction, all forces add up to zero .
由于这个定律说：对于每一个作用，都存在着一个大小相等而方向相反的反作用，从而全部力的总和应等于零。 |
| 8. | For every action , there is an equal and opposite malfunction
每个动作都存在竞争对手和对等障碍。 |
| 9. | Confidence in himself , an equal and opposite power of abandonment and recuperation
自信，有着自我放任和自我恢复这两种同等的而又相反的能力。 |
| 10. | The law is well known that to every action there is an equal and opposite reaction
每个作用都会遇到一个与之相等的反作用这一定律已经众所周知。 |
