if you say any object having a certain mass must be on the surface of the eart

if you say any object having a certain mass must be on the
surface of the earth due to gravity, but how come gas
molecules even after having a certain mass in atm.
temperature and pressure not able to stay on ground.

Question Posted / arun

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if you say any object having a certain mass must be on the surface of the earth due to gravity, bu..

Answer / hardik1989

they can't because density of those gases are less then
density of air present in the atmosphere.

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if you say any object having a certain mass must be on the surface of the earth due to gravity, bu..

Answer / harpreet singh , h.b.t.i

molecules of gases don't stay on earth though they have
mass bcoz of their lesser density the resultant of bouyant
force and gravitational force or weight of molecules is
acting in upward direction which make them to float above
earth's surface

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0 No

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