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Text File  |  1994-06-10  |  357 b   |  10 lines
  1. When a jetliner lands, usually flaps on the wings are raised. Is the
  2. primary braking effect from the additional air resistance, or from the
  3. fact that the airplane is also pushed downward and therefore the brakes
  4. on the landing wheels exert more friction against the runway?
  5.  
  6. --
  7. Ping Huang (INTERNET: pshuang@athena.mit.edu), probably speaking for himself
  8.  
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  10.