Newton’s Law of Universal Gravitation Isaac Newton Questions Newton’s Law of Universal Gravitation Newton’s Law of Universal Gravitation

Newton’s Law of Universal Gravitation Isaac Newton Questions Newton’s Law of Universal Gravitation Newton’s Law of Universal Gravitation www.phwiki.com

Newton’s Law of Universal Gravitation Isaac Newton Questions Newton’s Law of Universal Gravitation Newton’s Law of Universal Gravitation

Berger, Kevin, Features Editor has reference to this Academic Journal, PHwiki organized this Journal Newton’s Law of Universal Gravitation Physics Mrs. Coyle Isaac Newton 1666, Engl in addition to (45 years after Kepler). Questions If the planets are orbiting the sun , what as long as ce is keeping them in orbit What as long as ce keeps the moon in its orbit Could the as long as ce of gravity be universal

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Newton’s Law of Universal Gravitation Any two objects attract each other with a gravitational as long as ce, proportional to the product of their masses in addition to inversely proportional to the square of the distance between them. The as long as ce acts in the direction of the line connecting the centers of the masses. Newton’s Law of Universal Gravitation http://scienceblogs.com/startswithabang/upload/2009/07/meet-our-second-moon/400px-NewtonsLawOfUniversalGravitation.svg.png Why does the moon not fall straight down onto the earth

Henry Cavendish’s experiment determined the proportionality constant G in 1798. http://www.newscientist.com/data/images/archive/1639/16390101.jpg The Value of G. G= 6.67 x 10-11 N m2 / kg2 Change of Gravitational Force with Distance Law of universal gravitation is known as an inverse square law.

Problem 1 Two spheres of mass 35kg are 60m apart. What as long as ce does one exert on the other If the mass of on is tripled in addition to the radius is quadrupled how does the as long as ce change Problem 2 Two spheres of equal mass have a as long as ce of gravity of 7×10-9 exerted on each other. If the distance between them is 7m, find the mass. Problem 3 Find the value of the gravitational acceleration g. The mass of the earth is 6.0 x 1024kg.

Berger, Kevin Salon.com Features Editor www.phwiki.com

Berger, Kevin Features Editor

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