Text Size
Weight
Just like a person's body, an airplane's weight is pulled downward toward Earth. Image Credit: NASA
the measure of the pull of gravity on an objectSentence:
NASA astronauts do not feel the effect of gravity in space, which makes them seem like they have no weight, or feel weightless.
More Information:
http://exploration.grc.nasa.gov/education/rocket/rktwt1.html →
http://scifiles.larc.nasa.gov/text/kids/Problem_Board/problems/flight/weight2.html →