Скачать или смотреть The Force of Gravitational Attraction between the Earth and the Moon

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?
Want Lecture Notes? http://www.flippingphysics.com/earth-... This is an AP Physics 1 topic.

0:00 Intro
0:07 Translating the problem
0:56 Solving the problem
2:15 Determining how long until the Moon crashes into the Earth
4:00 Determining what is wrong with this calculation

Thank you to Raivat Shah of Gujarat, India for volunteering to be a guest student in this video!

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7 billion years till the Earth as a red giant evaporates the Earth.
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https://phys.org/news/2016-05-earth-s...

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Thank you to Youssef Nasr for transcribing the English subtitles of this video.