Solved: The point masses m and 2m lie along the x-axis,
Chapter 13, Problem 13.1(choose chapter or problem)
The point masses m and 2m lie along the x-axis, with m at the origin and 2m at x = L. A third point mass M is moved along the x-axis. (a) At what point is the net gravitational force on M due to the other two masses equal to zero? (b) Sketch the x-component of the net force on M due to m and 2m, taking quantities to the right as positive. Include the regions x 6 0, 0 6 x 6 L, and x 7 L. Be especially careful to show the behavior of the graph on either side of x = 0 and x = L.
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