Why Do Cars Have 4 Wheels?

Why do cars have 4 wheels? Two wheels work for motorcycles. Three wheels can work for cars. So why did four wheels become the standard? In this video, we explore the engineering behind the four-wheel design — from stability and weight distribution to turning, control, and why three wheels never became the norm for everyday cars. Four wheels aren't the only solution. They're simply a remarkably good balance between stability, simplicity, cost, and performance. Subscribe to **KNOW LAB** for more videos uncovering the hidden stories behind the everyday things we use without thinking.