object at the distance r from the center of harmonic motion if it moves without the Earth, and show that the force on it is of friction. When will it arrive at the other Hooke's law form, F = –kr, where the side of the Earth? effective force constant is k = (4/3)Gm. Here is the density of the Earth, assumed uniform, and G is the gravitational constant. (b) Show that a sack of mail Figure P15.75 dropped into the hole will execute simple © Copyright 2004 Thomson. All rights reserved.
object at the distance r from the center of the Earth, and show that the force on it is of Hooke's law form, F = –kr, where the effective force constant is k = (4/3)Gm. Here is the density of the Earth, assumed uniform, and G is the gravitational constant. (b) Show that a sack of mail dropped into the hole will execute simple harmonic motion if it moves without friction. When will it arrive at the other side of the Earth? Figure P15.75 © Copyright 2004 Thomson. All rights reserved.
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