Isaac Newton Quiz: Do You Grasp Gravity’s Laws?

Can you explain Newton’s gravity, motion laws, and optics? Challenge yourself with quiz questions that reveal hidden discoveries and his scientific legacy.

Feb 27, 2026 - 13:18
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1. Which book by "Issac Newton" is considered one of the most influential works in science?

The Republic
Opticks
Philosophiæ Naturalis Principia Mathematica
Novum Organum

2. Which fruit is famously associated with Issac Newton’s discovery of gravity?

Apple
Pear
Orange
Plum

3. Issac Newton served as President of which institution from 1703 until his death?

Cambridge University
British Academy
Royal Society
Royal Mint

4. Which year did Issac Newton publish “Philosophiæ Naturalis Principia Mathematica”?

1704
1687
1666
1699

5. Which alternative name is commonly used for Issaac Newton’s First Law of Motion?

Law of Force
Law of Gravitation
Law of Acceleration
Law of Inertia

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ANAND SWAMI Anand Swami is a Senior Content Manager and quiz content writer with 7+ years of writing quizzes, blogs, and articles that have driven over 150 million organic visits. From General Knowledge, history, science, and technology to business, personality, lifestyle, and travel, he has covered it all and built genuine audience engagement along the way. Outside of work, Anand is a certified tabla player and a TKFI karate player, two disciplines that keep him sharp, focused, and creative.