Which of the following can be inferred from the passage about the Wright Brothers?a.their first airplanes had a propellerb.many of their test flights were failuresc.they did some research on jet enginesd.they became wealthy by making airplanes

2. In a well composed essay, detail the effects that the invention of modern aircraft had on total war.

Many great inventions are greeted with ridicule and disbelief. The invention of the airplane was no exception. Although many people who heard about the first powered flight on December 17,1903, were excited and impressed, others reacted with peals of laughter. The idea of flying an aircraft was repulsive to some people. Such people called Wilbur and Orville Wright, the inventors of the first flying machine, impulsive fools. Negative reactions, however, did not stop the Wrights. Impelled by their desire to succeed, they continued their experiments in aviation.  Orville and Wilbur Wright had always had a compelling interest in aeronautics and mechanics. As young boys they earned money by making and selling kites and mechanical toys. Later, they designed a newspaper-folding machine, built a printing press, and operated a bicycle-repair shop. In 1896, when they read about the death of Otto Lilienthal, the brother's interest in flight grew into a compulsion.  Lilienthal, a pioneer in hang-gliding, had controlled his gliders by shifting his body in the desired direction. This idea was repellent to the Wright brothers, however, and they searched for more efficient methods to control the balance of airborne vehicles. In 1900 and 1901, the Wrights tested numerous gliders and developed control techniques. The brothers' inability to obtain enough lift power for the gliders almost led them to abandon their efforts. After further study, the Wright brothers concluded that the published tables of air pressure on curved surfaces must be wrong. They set up a wind tunnel and began a series of experiments with model wings. Because of their efforts, the old tables were repealed in time and replaced by the first reliable figures for air pressure on curved surfaces. This work, in turn, made it possible for them to design a machine that would fly. In 1903 the Wrights built their first airplane, which cost less than one thousand dollars. They even designed and built their own source of propulsion- a lightweight gasoline engine. When they started the engine on December 17, the airplane pulsated wildly before taking off. The plane managed to stay aloft for twelve seconds, however, and it flew one hundred twenty feet. By 1905 the Wrights had perfected the first airplane that could turn, circle, and remain airborne for half an hour at a time. Others had flown in balloons or in hang gliders, but the Wright brothers were the first to build a full-size machine that could fly under its own power. As the contributors of one of the most outstanding engineering achievements in history, the Wright brothers are accurately called the fathers of aviation.People thought that the Wright brothers had ____________(1 Point)(1 Point)Acted in a negative wayActed without thinkingBeen negatively influencedBeen too cautiousHad not given enough thought

Question 1 of 10Which important event occurred during the Industrial and scientific revolutions?A.The development of the scientific methodB.The creation of the Great Chain of BeingC.The invention of the combustible locomotive engineD.The invention of the printing press

Test #11/19What is the difference between the Wright brothers and Samuel Pierpont Langley?The Wright brothers’ flying machine was funded by The New York Times, while Langley’s was notLangley was motivated by fame and riches, while the Wright brothers were driven by a belief and purposeThe Wright brothers were working for the War Department, while Langley was notThe Wright brothers had more money and education than LangleyI don't know

Which technological advancement significantly improved shipbuilding during the Renaissance?Group of answer choicesThe creation of ironclad shipsThe construction of submarinesThe development of the caravelThe invention of the steam engine PreviousNext