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A uniform thin rod of mass M and length L lies on the positive x-axis with...

A uniform thin rod of mass M and length L lies on the positive x-axis with one end at the origin.Consider an element of the rod of length dx., and mass dm at point where 0<x<L.

a) What is the gravitational field produced by the mass element of any value of X?

b)Calculate the total gravitational field produced by the rod.

C)Find the gravitational force on a point particle of mass m0 at x0.

D) Show that for x0>>L the field of the rod approximates the field of the point particle of mass M at x=0.

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Answer #1

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