A solid uniform sphere has a mass of 3.0x104 kg and a radius of 1.4 m. a) What i

Question

A solid uniform sphere has a mass of 3.0x104 kg and a radius of 1.4 m.

a) What is the magnitude of the gravitational force due to the sphere on a particle of mass m located at a distance of 2.2 m from the center of the sphere? (Use the following as necessary: m, where m is in kg.)
F = (4.13e-7)*m N

(b) What if it is 1.0 m from the center of the sphere? (Use any variable or symbol stated above as necessary.)
F =(7.3e-7)*m N

(c) Write a general expression for the magnitude of the gravitational force on the particle at a distance r 1.4 m from the center of the sphere. (Use any variable or symbol stated above as necessary.)
F =______ N

I only need letter C thanks!

Explanation / Answer

Force of gravitation, at r =R= 1.4 m,

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