I saw a meme where a magnet attached to a car solves the need for petrol. Will it actually work if the magnets and the pulley are strong enough? - Quora
![electromagnetism - Why doesn't this perpetual motion machine using magnets work? - Physics Stack Exchange electromagnetism - Why doesn't this perpetual motion machine using magnets work? - Physics Stack Exchange](https://2.bp.blogspot.com/_vI6LGR352yE/TMapkx5gYsI/AAAAAAAAAFc/zza9ylA-9Ek/s320/1285770302993.jpg)
electromagnetism - Why doesn't this perpetual motion machine using magnets work? - Physics Stack Exchange
![Request] How strong would the magnet have to be in order to make the car move in this scenario? : r/theydidthemath Request] How strong would the magnet have to be in order to make the car move in this scenario? : r/theydidthemath](https://external-preview.redd.it/ByhQnAPJaq8n5onYRZFo3P2vExXVPaBJSTa4DdVCtQU.jpg?width=640&crop=smart&auto=webp&s=27fe58e09ab8cdad8d641b49748036505425aa8c)