[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fZ1TYcFkpYFNPdy7Y81pGLPtffcOCMfk6LcEse_I355o":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":28,"type":29},[],"2023-10-06 20:47:45",99035306,[8,9],"true","false",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},14,"b26bc4a766b17c515dbf17d8ef0a02c1","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1d540d725392cb243501c21e2f8acb88.jpg","民航机务专业英语","eeb059b9004d466a82a25ac4c4c01f83","4.1.6","Induced drag is the undesirable but unavoidable by-product of lift, and increases in direct proportion to increases in angle of attack. ( )",[19,30,39,48,53,58,61,67,72,77],{"answer":20,"createTime":5,"id":21,"options":22,"question":27,"source":28,"type":29},[],99035301,[23,24,25,26],"Gravity","Lift","Drag","Thrust","( )is any force acting parallel to the flight path but in the opposite direction","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":38,"source":28,"type":29},[],99035302,[34,35,36,37],"induced drag; parasite drag","form drag; skin Friction drag","form drag; interference drag","induced drag; interference drag","The total drag is the combination of ( ) and ( )",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":28,"type":29},[],99035303,[43,44,45,46],"parasite drag","induced drag","interference drag","form drag","While lift is created, some drag is also induced by the creation of lift. And this component of the wing's resultant force is called ( )",{"answer":49,"createTime":5,"id":50,"options":51,"question":52,"source":28,"type":29},[],99035304,[43,44,45,46],"The air molecules resist this disturbance, and the resistance is manifested as a drag force called ( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":57,"source":28,"type":29},[],99035305,[43,44,45,46],"( ) is caused by the frontal area of the airplane components being exposed to the airstream",{"answer":59,"createTime":5,"id":6,"options":60,"question":17,"source":28,"type":29},[],[8,9],{"answer":62,"createTime":63,"id":64,"options":65,"question":66,"source":28,"type":29},[],"2023-10-06 20:47:46",99035307,[8,9],"The greater the angle of attack up to the critical angle, the greater the amount of lift developed, and the greater the induced drag is. ( )",{"answer":68,"createTime":63,"id":69,"options":70,"question":71,"source":28,"type":29},[],99035308,[8,9],"The more streamlined an object is, the greater the parasite drag is. ( )",{"answer":73,"createTime":63,"id":74,"options":75,"question":76,"source":28,"type":29},[],99035309,[8,9],"The larger the size of the object in the airstream, the greater the parasite drag.( )",{"answer":78,"createTime":63,"id":79,"options":80,"question":81,"source":28,"type":29},[],99035310,[8,9],"As speed increases, the amount of parasite drag increases. If the speed is doubled, four times as much drag is produced. ( )"]