Find the force of gravitational attraction between the earth and a planet of mass m rem=3.84 x10^8 m
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Answer:
PHYSICS
MEDIUM
The mass of the earth is 6×10
24
kg and that of the moon is 7.4×10
22
kg distance between the earth and the moon be 3.84×10
5
km, calculate the force exerted by the earth moon. (G=6.7×10
−11
Nm
2
kg
−2
).
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ANSWER
F=
R
2
GM
e
M
m
F=
(3.84×10
8
)
2
6.7×10
−11
×6×10
24
×7.4×10
22
=
(3.84)
2
×10
16
297.48×10
−11+24+22
=20.17×10
19
=2.017×10
20
N
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