# Physics 1441 - Homework

Anonymous

Question description

Calculate the force of gravity the Earth has the average person with a mass of 70 kg (assume the mass of the earth (MEarth) is 5.98 x 1024 kg) ? (5 pts) (B) Calculate the net force that Mars, Jupiter, Saturn, Uranus, and Neptune have on the average person when they are in alignment?
assume the masses of the planets are MMars = 0.107 MEarth MJupiter = 317.8 MEarth MSaturn = 95.2 MEarth MUranus = 14.5 MEarth MNeptune = 17.1 MEarth
(C) Calculate the fraction which the pull of gravity from the earth is reduced during the planetary alignment

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