👉 Non-vacillation is a concept in physics, particularly in the field of mechanics, where an object remains at rest or continues to move in a straight line until it is acted upon by an external force. It refers to a situation in which an object will not change its velocity or direction after being subjected to an applied force, no matter how large or small the force may be. Non-vacillation is often used in situations where a system is driven by external forces that cause motion and can't