Physics, 05.02.2021 07:40 jalayshiamartin

DESPERATELY NEED HELP!! (could you also post a photo with the work shown) Directions: Answer the following questions below. Please show your work and include all units. You may complete your work on a separate sheet of paper and upload it in the space provided. Formula:
Fg = Gm1m2r2
where Fg is the force of gravity, G is the universe constant (6.67 x 10-11 N m2/kg2), m1 is mass of object one, m2 is mass of object two, and r is the distance between the two objects.

Example: A 7,075-kg satellite is orbiting at a distance of 9.56 x 106 m from the center of the Earth. The mass of Earth is 5.98 x 1024 kg. Determine the force of gravity acting on the satellite.

How much would your weight change by, if the mass of Earth changes by a factor of 1/3? Assume the radius remains unchanged.

If the distance between two objects changes by a factor of 1/3, how much would the force of gravity acting between them change by?

What must be the distance between two 0.800 kg balls if the magnitude of the gravitational force between them is 8.92 x 10-11 N. (Ans: 0.692 m)

Mars has a mass of about 6.4 x 1023 kg, and its moon Phobos has a mass of about 9.6 x 1015 kg. If the magnitude of the gravitational force between the two bodies is 4.6 x 1015 N, how far apart are Mars and Phobos? (Ans: 9.44 x 106 m)

Find the magnitude of the gravitational force a 66.5 kg person would experience while standing on the surface of each the following planets: (Ans: Earth: 651 N, Mars: 246 N, Pluto: 38.5 N)

Planet
Mass
Radius
Earth
5.97 x 1024 kg
6.38 x 106 m
Mars
6.42 x 1023 kg
3.40 x 106 m
Pluto
1.25 x 1022 kg
1.20 x 106 m

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