Asked by Amponsah
A spacecraft of mass 500kg lands on the moon. Calculate the moon's gravitational pull on it given that mass of the moon is 7.5 x 10^22kg and radius of the moon is 1.6 x 10^6m.
Answers
Answered by
drwls
The value of "g' " on the moon is
G*M/R^2, where
G is the universal gravity constant.
(Look it up if you don't know it)
M is the moon's mass
R is the moon's radius.
You should get a value of about
g' = 1.63 m/s^2, about 1/6 of the value at the surface of the Earth.
For the Moon's pull on a 500 kg mass (in Newtons), multiply 500 by g'.
G*M/R^2, where
G is the universal gravity constant.
(Look it up if you don't know it)
M is the moon's mass
R is the moon's radius.
You should get a value of about
g' = 1.63 m/s^2, about 1/6 of the value at the surface of the Earth.
For the Moon's pull on a 500 kg mass (in Newtons), multiply 500 by g'.
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