Answer:
398.0 N = 89.74 pound force
Explanation:
Gravitational force:
[tex]F=G\frac{mM}{d^2}[/tex]
R = 6371 km (Radius of the Earth)
At the surface, weight of the surface w =220 pounds = 978.61 N
2250 miles = 3621024 m
total distance from the center of the Earth
3621024 m + 6.371×10⁶ m = 9.99×10⁶ m
[tex]\frac{w'}{w}=\frac{R^2}{(R+d)^2}\\w'=\frac{(6.371\times10^6)^2}{(9.99\times10^6)^2}\times 978.61N=398.0 N[/tex]
398.0 N = 89.74 pound force
