A communication company plans to launch a geosynchronous satellite to expand its global network. According to Kepler's 3 Law, what information do the engineers need to calculate the radius of orbit? O The mass of Earth and the satellite, the velocity of the satellite, and the acceleration due to gravity (g) O The time it takes for Earth to rotate, the mass of Earth, and the Universal Gravitation Constant (G) The mass of Earth in kilograms, the mass of the satellite in kilograms, and the acceleration due to gravity (g) The mass of the satellite, the time it takes to orbit Earth, and the Universal Gravitational Constant (G)
Gravitational force
In nature, every object is attracted by every other object. This phenomenon is called gravity. The force associated with gravity is called gravitational force. The gravitational force is the weakest force that exists in nature. The gravitational force is always attractive.
Acceleration Due to Gravity
In fundamental physics, gravity or gravitational force is the universal attractive force acting between all the matters that exist or exhibit. It is the weakest known force. Therefore no internal changes in an object occurs due to this force. On the other hand, it has control over the trajectories of bodies in the solar system and in the universe due to its vast scope and universal action. The free fall of objects on Earth and the motions of celestial bodies, according to Newton, are both determined by the same force. It was Newton who put forward that the moon is held by a strong attractive force exerted by the Earth which makes it revolve in a straight line. He was sure that this force is similar to the downward force which Earth exerts on all the objects on it.
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