Objects A and B are placed a given distance from one another. Which of the following actions will decrease the gravitational attraction between them?Increasing the mass of ADecreasing the distance between A and BIncreasing the mass of BIncreasing the distance between A and B3A satellite weighs 50 kN at the surface of the Earth. Which of the following describes how (if at all) its weight will change when it is launched into orbit about the Earth at an altitude of 36,000 km.Its weight will be equal to 50 kNIts weight will be less than 50 kNIts weight will be greater than 50 kNIt will be weightless (its weight will be 0 N)
Question
Objects A and B are placed a given distance from one another. Which of the following actions will decrease the gravitational attraction between them?Increasing the mass of ADecreasing the distance between A and BIncreasing the mass of BIncreasing the distance between A and B3A satellite weighs 50 kN at the surface of the Earth. Which of the following describes how (if at all) its weight will change when it is launched into orbit about the Earth at an altitude of 36,000 km.Its weight will be equal to 50 kNIts weight will be less than 50 kNIts weight will be greater than 50 kNIt will be weightless (its weight will be 0 N)
Solution
The gravitational attraction between two objects can be decreased by "Increasing the distance between A and B". This is because the gravitational force between two objects decreases as the distance between them increases, according to Newton's law of universal gravitation.
As for the satellite, "Its weight will be less than 50 kN" when it is launched into orbit about the Earth at an altitude of 36,000 km. This is because the weight of an object decreases as it gets further from the Earth's surface, due to the decrease in gravitational pull.
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