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  2. Over the entire surface, the variation in gravitational acceleration is about 0.0253 m/s 2 (1.6% of the acceleration due to gravity). Because weight is directly dependent upon gravitational acceleration, things on the Moon will weigh only 16.6% (= 1/6) of what they weigh on the Earth.

  3. As the Moon orbits Earth, different parts are in sunlight or darkness at different times. The changing illumination is why, from our perspective, the Moon goes through phases. During a "full moon," the hemisphere of the Moon we can see from Earth is fully illuminated by the Sun.

  4. Lunar gravity allows investigators to test different physical system models for combustion, fluid physics, and materials to validate the models or to develop new ones associated with partial lunar gravity.

  5. About. Transcript. Gravity is more than just things falling down. It's an attractive force that exists between any two objects with mass. Every object with mass, like Earth or a lamp, has a gravitational pull. The strength of this pull depends on the mass of the objects and the distance between them.

    • 4 min
    • Khan Academy
  6. According to NASA, the mass of the Earth is 5.97 x 10^24 kg, the mass of the Moon is 7.3 x 10^22 kg, and the mean distance between the Earth and the Moon is 3.84 x 10^8 m. What is the force of gravitational attraction between the Earth and the Moon? This is an AP Physics 1 topic. Content Times: 0:07 Translating the problem 0:56 Solving the problem

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  7. This is sometimes called an inverse-square law. For example, if we double the distance between Earth and the Moon, the attractive force between them would decrease (because it has an inverse relationship to distance), and it would go down by a factor of 4 instead of 2 (because r is squared).

  8. Apr 10, 2022 · Newton’s insight was that Earth’s gravity might extend as far as the Moon and produce the force required to curve the Moon’s path from a straight line and keep it in its orbit. He further hypothesized that gravity is not limited to Earth, but that there is a general force of attraction between all material bodies.