Who authored the ‘Principia’? 👤 By The Quiz Wire ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 01 Dec 2025 A. Galileo B. Copernicus C. Isaac Newton D. Kuhn Check Answer 💡 Explanation: Isaac Newton wrote the 'Principia', foundational to classical mechanics. 📚 Topics: Inventions and Discoveries Scientific Discoveries 🎯 Exams: CSS GEN NTS PMS
