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Sagot :
According to gravitation book, it states that if the centres of 2 planets, each of mass M and separated by a distance r and you have a point halfway between the centres of the planets, the gravitational field strength at that point is zero.
Why is there a point between Earth and moon where gravitational field strength is zero?
- The net force is zero at neutral point X because the gravitational force due to the Earth is equal to and opposite to that due to the Moon. This is the result of Newton's First Law.
- Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.
- If the earth were 36,000 km in circumference, with the same mass and length of day, gravity would be zero near the equator. Geostationary orbits are at this altitude.
Learn more about Newton's first law here: brainly.com/question/974124
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