SOLAR SYSTEM

UNIVERSE

CELESTIAL MECHANICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which orbital mechanics historical figure was known for deducing the existence of an inverse square law attractive force by building on the work of a man who died 13 years before this astronomer was born.
A
Nicolaus Copernicus
B
Tycho Brahe
C
Johannes Kepler
D
Robert Hooke
E
Isaac Newton
Explanation: 

Detailed explanation-1: -From his law of centrifugal force and Kepler’s third law of planetary motion, Newton deduced the inverse-square law.

Detailed explanation-2: -But history is history and what-ifs are what-ifs. The plague came to London in 1666, Cambridge closed, and Newton discovered gravity.

Detailed explanation-3: -Sir Isaac Newton developed the three basic laws of motion and the theory of universal gravity, which together laid the foundation for our current understanding of physics and the Universe.

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