It takes skill and timing to get someone off balance in a physical fight. Here are some possible methods, but remember that any form of physical fight is potentially dangerous and should be avoided: 1. **Weight Control**: Watch the position of the other person's center of mass. If you can get the other person's center of mass to extend beyond their support, they will be more likely to lose their balance. This can be achieved by pushing or pulling their upper body or moving their legs. 2. **Foot Movement**: Quickly stepping sideways or backwards to trick the other person into overextending their steps may cause them to lose their balance. 3. **Using the other person's force**: If the other person is rushing towards you, step sideways and assist the direction of their force to make them lose their balance. This method is widely used in martial arts such as Judo. 4. **Low-center strikes**: Attacking the other person's low-center-of-gravity position such as the knees or ankles can make them lose their balance. But be aware that this method can cause serious injuries. 5. **Twisting Maneuvers**: Use twisting movements, such as twisting the other person's arms or shoulders, to make their body unbalanced. Regardless, the most important thing is to stay calm, try to avoid getting involved in a physical fight, and use these techniques when it is safe to do so. If possible, try to defuse the conflict through communication.