{
  "id": 15732267,
  "title": "The Physics Behind Tesla’s Flying Roadster",
  "url": "https://urgent.news/2026/10/20/the-physics-behind-teslas-flying-roadster",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-20T10:45:00.000Z",
  "source": {
    "name": "Wired Science",
    "slug": "wired-science",
    "url": "https://www.wired.com/story/physics-behind-tesla-flying-roadster/"
  },
  "original_language": "en",
  "account": "Last week, Elon Musk unveiled Tesla's delayed Roadster 2, which can soar through the air and perform feats beyond normal cars. However, two questions arise: should humans drive up walls and into the air, and how did the Roadster 2 prototype accomplish these feats? The physics behind the prototype's abilities can be explained.\n\nDriving up a wall is possible due to increased friction. When two surfaces interact, like rubber tires and a road, static friction prevents sliding. The frictional force depends on the normal force (the force pushing the surfaces together) and the coefficient of static friction (μ), which describes the materials interacting. For rubber on asphalt, μ is around 0.6. The maximum angle a car can drive up without slipping is about 31 degrees, even with a high μ value of 0.9.\n\nThe Roadster 2 overcomes this limitation by using fans to create a pressure difference under the car, generating a normal force equal to the gravitational force. This allows the car to stick to a vertical wall. Additionally, the suction effect can improve acceleration and braking performance on normal roads.\n\nThe Roadster 2 also boasts an impressive acceleration from 0 to 60 mph in less than a second. Traditional cars cannot achieve this due to their reliance on frictional force, which is limited by the coefficient of friction. Tesla's prototype relies on compressed air shot out the back, similar to how rockets work. By releasing compressed air, the car experiences a force pushing it back, propelling it forward—a principle known as Newton's third law.\n\nIn summary, Tesla's Roadster 2 prototype demonstrates the potential of using physics to push the boundaries of automotive performance. While driving up walls and flying are not practical for everyday use, the principles behind these feats can improve acceleration and handling on normal roads.",
  "summary": "To understand how Elon’s new car hops, glides, and sticks upside down, we need to talk about friction and force.",
  "key_points": [
    "Roadster 2 can drive up walls due to increased friction",
    "Fans create pressure difference to generate normal force",
    "Compressed air propulsion enables 0-60 mph acceleration"
  ],
  "editors_take": "Applying aerodynamic principles and rocket propulsion to automotive design shifts the focus from traditional tire friction toward new methods of controlling acceleration and stability on standard roads.",
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}