Summary

This document is a review of physics concepts, including terrestrial motion, ancient Greek observations of Earth's shape, models of astronomical phenomena, Galileo's discoveries, and Kepler's laws of planetary motion. It covers historical and fundamental aspects of the subject.

Full Transcript

**I. Types of Terrestrial Motion** The Greek philosophers sought answers about motion. Their ideas, especially those of Aristotle, dominated the understanding of motion for centuries because they were based on logical reasoning and observation. **Aristotle** - - **Types of Realms** 1. -...

**I. Types of Terrestrial Motion** The Greek philosophers sought answers about motion. Their ideas, especially those of Aristotle, dominated the understanding of motion for centuries because they were based on logical reasoning and observation. **Aristotle** - - **Types of Realms** 1. - - 2. - - **Types of Terrestrial Motion** 1. - 2. - - 3. - - **Impact of Galileo Galilei:** - **Summary**: Aristotelian mechanics divides terrestrial motion into three types: 1. 2. 3. **II. Ancient Greek Observations of Earth\'s Shape** The ancient Greeks, through careful observation and reasoning, deduced the Earth\'s spherical shape and even estimated its size with surprising accuracy. **Evidence from Lunar Eclipses** - - - - - - **Eratosthenes\' Measurement of Earth\'s Circumference** - 1. 2. - - - - **Pre-Telescope Astronomical Observations** 1. - 2. - 3. - 4. - **Diurnal and Annual Motion** - 1. - 2. - **The Zodiac and Ecliptic** - - - - - - **Equinoxes, Solstices, and Precession** 1. - 2. - 3. - - **Understanding Eclipses** - - - - - **Early Models of the Universe** 1. - 2. - 3. - **III. Ancient Proofs of Earth\'s Spherical Shape** **Anaxagoras' Observations** - - **Aristotle's Evidence** 1. - 2. - 3. - **Eratosthenes' Calculation** - **IV. Before the Discovery** Astronomers observed and documented celestial events long before telescopes were invented. **Key Observations** 1. - - 2. - 3. - 4. - 5. - 6. - 7. - **Occultations** - - **\ V. Models of Astronomical Phenomena** **Ptolemaic Model (Geocentric):** - - - **Copernican Model (Heliocentric):** - - - **Tychonic Model (Geo-heliocentric):** - - - **VI. Galileo's Groundbreaking Discoveries and Their Impact on the Ptolemaic Model** **The Telescope:** - - **Key Discoveries:** 1. - - 2. - 3. - - 4. - - 5. - **Impact:** - - **VII. Tycho Brahe and Johannes Kepler: The Path to the Laws of Planetary Motion** **Tycho Brahe:** - - - **Johannes Kepler:** - 1. - 2. - 3. - **VIII. Kepler's Laws of Planetary Motion** 1. - - 2. - - 3. - - - **Legacy:** - **\ \ \ \ \ IX. Concept of Motion** **Vertical Motion:** - - - - - **Horizontal Motion:** - - - - **Projectile Motion:** - - - - **X. Newton's Three Laws of Motion** 1. - 2. - - 3. - - **XI. Galileo's Observations** **Inclined Planes:** - - **Thought Experiments:** - **Vacuum:** - **Key Inferences:** 1. - 2. -

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