Newton's Law of Gravity Problems

# Newton's Law of Gravity Problems - Name_ Newtons Law of...

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Name________________________________ Newton’s Law of Gravitation Problems 1) A 2.0 kg block is placed between a 5.0 kg block and a 8.0 kg block that are 6.0 meters apart. Where would the 2.0 kg block have to be placed so the net force of gravitational attraction acting on it was zero? 2) A 5 kg object experiences a force of gravitational attraction of 35 N when placed at an altitude h above the Earth’s surface. a) Determine the gravitational field strength at that point in the Earth’s gravitational field. b) Determine the altitude h above the surface of the Earth.

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3) The Earth is in orbit about the Sun in an approximate circular orbit of radius 1.496 x 10 11 m. If the mass of the Earth is 5.98 x 10 24 kg and the mass of the Sun is 1.991 X 10 30 kg determine: a) the average speed at which the earth orbits the sun. b) the circumference of the orbit c) The time it would take to complete one orbit in seconds? In hours? In days?
4) How much would you weigh? Determine your weight in Newtons on the Earth’s surface:

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## This note was uploaded on 01/11/2012 for the course PHYSIC 1 taught by Professor Fairport during the Spring '11 term at Fairfield.

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Newton's Law of Gravity Problems - Name_ Newtons Law of...

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