Mark William
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Last update: 4 months ago
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Gravitation: Laws, Experiments, and Cosmic Implications Explained
This PowerPoint explains the fundamental concepts of gravitation, including Newton’s laws and the inverse square law, which describes how gravitational pull decreases with distance. It discusses the equal gravitational attraction between the Earth and the Moon, Kepler’s laws of planetary motion, and the law of universal gravitation. The presentation covers the determination of the gravitational constant (G) through experiments such as Cavendish’s, the calculation of the Sun′s mass, and methods to estimate the mass of galaxies. The concept of gravitational force as a vector is explored, and the phenomenon of weightlessness in orbit is also addressed.