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March 28, 2015

March 28, 2015

Posted by **Chris** on Thursday, November 3, 2011 at 2:42pm.

Calculate the gravitational force exerted on the satellite by the Earth when it is in orbit.

- Physics -
**tchrwill**, Friday, November 4, 2011 at 3:54pmThe Law of Universal Gravitation states that each particle of matter attracts every other particle of matter with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. Expressed mathematically,

F = GM(m)/r^2

where F is the force with which either of the particles attracts the other, M and m are the masses of two particles separated by a distance r, and G is the Universal Gravitational Constant. The product of G and, lets say, the mass of the earth, M, is sometimes referred to as GM or µ (the greek letter pronounced meuw as opposed to meow), the earth's gravitational constant.

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