Final answer:
The Magna Carta is the document that limited the powers of the King.
Step-by-step explanation:
The document that forcibly limited the powers of the King is the Magna Carta. It was signed by King John of England in 1215. The Magna Carta established the principle that the King's power was not absolute and that certain rights and liberties should be protected.
Learn more about The Magna Carta and its impact on limiting the powers of the King