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D'Alembert's principle
(Encyclopedia)D'Alembert's principle dălˈəmbârzˌ [key], in mechanics, principle permitting the reduction of a problem in dynamics to one in statics. This is accomplished by introducing a fictitious force equal...Sherman, Roger
(Encyclopedia)Sherman, Roger, 1721–93, American political leader, b. Newton, Mass. Sherman helped to draft and signed the Declaration of Independence. He was long a member (1774–81, 1783–84) of the Continenta...Patterson, Elizabeth
(Encyclopedia)Patterson, Elizabeth, 1785–1879, American wife of Jérôme Bonaparte, b. Baltimore. On a visit to America, Jérôme Bonaparte, brother of Napoleon Bonaparte, met and married her (1803). Jérôme was...Horsley, Samuel
(Encyclopedia)Horsley, Samuel hôrzˈlē [key], 1733–1806, English prelate, noted as a scientist. He became bishop of St. David's in 1788, of Rochester in 1793, and of St. Asaph in 1802. Science was the field in ...Gage, Thomas, English traveler
(Encyclopedia)Gage, Thomas, d. 1656, English traveler. He went (1612) to Spain to study and became a Dominican. He lived and traveled among the Native populations of Central America from 1625 to 1637, when he retur...inclined plane
(Encyclopedia) CE5 Inclined plane inclined plane, simple machine, consisting of a sloping surface, whose purpose is to reduce the force that must be applied to raise a load. To raise a body vertically a force mu...Herschel
(Encyclopedia)Herschel hûrˈshəl [key], family of distinguished English astronomers. Sir William Herschel,Sir William Herschel, 1738–1822, born Friedrich Wilhelm Herschel, was a great pioneer in astronomy. Bor...Ahern, Bertie
(Encyclopedia)Ahern, Bertie (Bartholomew Patrick Ahern) əhûrnˈ [key], 1951–, Irish politician, prime minister of the Republic of Ireland (1997–2008). Born into a working-class family, he studied accounting a...Horton, Lester
(Encyclopedia)Horton, Lester, 1906–53, American modern dancer, choreographer, and teacher, b. Indianapolis. Moving to California in 1928, Horton formed his own company in Los Angeles and also performed in theater...Joplin
(Encyclopedia)Joplin jŏpˈlĭn [key], city (1990 pop. 40,961), Jasper and Newton counties, SW Mo., at the edge of the Ozarks; settled c.1839, inc. 1873. It is a railroad center, the shipping and processing point o...Browse by Subject
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