Calculate the force of gravitation between sun (Mass = 1.9 × 10 30 kg) and planet mercury (Mass = 3.2 × 10 23 kg). Distance between them is approx. 67.5 million km. PLS ANSWER FAST WITH FULL EXPLANATION
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Explanation:
The gravitational force can be calculated with the formula:
∣
∣
∣
∣
∣
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
a
a
F
g
=
G
M
m
R
2
a
a
∣
∣
∣
−−−−−−−−−−−−−−−−
where:
F
g
=
gravitational force
G
=
gravitational constant
M
=
mass of Earth
m
=
mass of object
R
=
distance from earth's centre to object's centre
Substitute your known values into the formula to determine the gravitational force. Assuming that the person is standing on the surface of the Earth, the value of
R
would be the radius of the Earth.
F
g
=
G
M
m
R
2
F
g
=
(
6.67
×
10
−
11
N
⋅
m
2
k
g
2
)
(
5.98
×
10
24
k
g
)
(
75
k
g
)
(
6.37
×
10
6
m
)
2
F
g
=
737.24
N
F
g
≈
∣
∣
∣
∣
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
a
a
740
N
a
a
∣
∣
−−−−−−−−−
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