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Concepts Covered: Newton's Law of Universal Gravitation Gravitational Acceleration Newton's Laws of Motion Fluid Mechanics This program centers on presenting a broadened perspective of gravity, with emphasis given to observing its influence in different environments. Newton's Law of Universal Gravitation is used to determine the magnitude of the earth's gravitational force at increasingly distant locations from its center; computer graphics are used to simulate pulling away from the earth with the inverse square curve graphically being developed. The microgravity environment is examined in terms of its effect on various physical properties and the unique mechanics it presents to orbiting space structures. Gravitational acceleration on the surface of the moon is contrasted to that of earth by observing experiments and events which took place during the moon walks of the Apollo Program. Finally, an examination of the Gravity Assist Principle, or "Slingshot Effect", provides an intriguing example of utilizing gravitational forces to greatly accelerate spacecraft on their journey to the outer solar system

In Process Record

Originally produced by Physics Curriculum & Instruction in 1991

Mode of access: World Wide Web

In English