👉 Welkin's, also known as Welkin's effect or "Wells' Law," is a phenomenon observed in which an object that is initially at rest continues to remain at rest until it collides with another object. This law states that the speed of an object remains constant after it collides with another object. The term "Welkins" was coined by Charles Welkin, who published his work on this phenomenon in 1859. The name "Welkin's" is a