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Sir Arthur Coningham
Sir Arthur Coningham , 1895-1948, British air marshal, b. Australia. During World War I, he served first in the New Zealand army and then joined (1916) the Royal Flying Corps, a forerunner of the Royal Air Force. He remained in the air force and became air vice marshal after the outbreak of World Wa...
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Baron Piotr Nikolayevich Wrangel
Baron Piotr Nikolayevich Wrangel , 1878-1928, Russian general. After serving in the Russo-Japanese War (1904-5) and in World War I, he joined (late 1917) the anti-Bolshevik armies in S Russia. After the rout in early 1920 of the Denikin forces, Wrangel succeeded Denikin in command and soon whipped t...
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battle of Blenheim
battle of Blenheim major engagement of the War of the Spanish Succession (see Spanish Succession, War of the ), fought on Aug. 13, 1704, at the village of Blenheim, near Höchstädt, Bavaria. Responding to appeals from Vienna, which was threatened by French and Bavarian forces, the English...
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Nicholas Herkimer
Nicholas Herkimer 1728-77, American Revolutionary general. He was born in a German colony near the present town of Herkimer, N.Y. He served in the French and Indian War and was appointed (1776) brigadier general in the New York militia. In 1777 in the Saratoga campaign , Herkimer was leading a rel...
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centripetal force and centrifugal force
centripetal force and centrifugal force action-reaction force pair associated with circular motion . According to Newton's first law of motion, a moving body travels along a straight path with constant speed (i.e., has constant velocity ) unless it is acted on by an outside force . For circular ...
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buoyancy
buoyancy , upward force exerted by a fluid on any body immersed in it. Buoyant force can be explained in terms of Archimedes' principle .
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Yorktown campaign
Yorktown campaign 1781, the closing military operations of the American Revolution. After his unsuccessful Carolina campaign General Cornwallis moved into Virginia to join British forces there. His lieutenant, Banastre Tarleton, engaged American forces under the marquis de Lafayette, Baron von St...
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Aleksandr Vasilyevich Kolchak
Aleksandr Vasilyevich Kolchak , 1874-1920, Russian admiral, leader of the anti-Bolshevik forces in W Siberia during the civil war (1918-20). He distinguished himself in the Russo-Japanese War, and in World War I he commanded the Black Sea fleet. After the October Revolution of 1917, Kolchak became (...
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Anton Ivanovich Denikin
Anton Ivanovich Denikin , 1872-1947, Russian general. The son of a serf, he rose from the ranks. After the Bolshevik Revolution in Nov., 1917 (Oct., 1917, O.S.), he joined General Kornilov , whom he succeeded (1918) as commander of the anti-Bolshevik forces in the south. He gained control of a larg...
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force
force commonly, a "push" or "pull," more properly defined in physics as a quantity that changes the motion, size, or shape of a body. Force is a vector quantity, having both magnitude and direction. The magnitude of a force is measured in units such as the pound, dyne , and newton , dep...
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