Laws of motion - early concepts

Question 1

“Motion is an eternal agent of the cosmos”

Answer 1

Anaximander of Miletus

Question 2

“Motion was a cosmological principle underlying all
physical reality (panta rhei)”

Answer 2

▪Heraclitus

Question 3

“Motion was a fundamental property of the atoms.”

Answer 3

Democritus and Leucippus

Question 4

“every motion originates in another motion”

“Omne quod movetur ab aliquo movetur” that objects required a continuous force to keep them in motion,

Answer 4

Aristotle

Question 5

16th and 17th centuries, conducted experiments that challenged Aristotle’s
ideas

experiments with inclined planes
and falling objects led him to propose the concept of inertia, which laid the
groundwork for Newton’s first law.

Answer 5

Galileo Galilei

Question 6

formulated his laws of
motion in the late 17th century.

“Philosophiæ Naturalis Principia Mathematica” (Mathematical
Principles of Natural Philosophy),published in 1687 (44 y/o) in which he introduced the three fundamental laws

discovered gravity at 23

Answer 6

Isaac Newton