1 Minute

Now, let's see what you can remember. Match the description with the word. For help, click on the highlighted word to go to the glossary.

1. Opposing force to lift.

A) weight

B) air

C) drag
HELP

Please send any comments to:
Curator:
Tom.Benson@grc.nasa.gov
Responsible Official: Kathy.Zona@grc.nasa.gov