Key factor that enables airplane to lift
Variable: lftplane
Module:
Science Knowledge & Attitudes
Subject:
Knowledge
,
Science
Survey Questions
Questions associated with this variable:

Which of the following is a key factor that enables an airplane to lift?

Year Availability
Available in 1 of 32 years total. Hover over a year to see ballot information.
72
73
74
75
76
77
78
80
82
83
84
85
86
87
88
89
90
91
93
94
96
98
00
02
04
06
08
10
12
14
16
18

Summary by Year
Showing All Years
Code Label
1 Air pressure beneath the wing is greater than that above the wing
2 Pressure within the airplane is greater than that of the outside
3 Engine power is greater than that of friction
4 The plane's wing is lighter than air
8 Dont know
9 No answer
0 Not applicable
2008
799
90
345
40
211
20
518
Summary Statistics
Valid cases 1274
Missing cases 61192