**Path Independence**

We move a baseball from point A to point G along a path consisting of three radial lengths and three circular arcs (centered on Earth). We are interested in the total work W done by Earth’s gravitational force F on the ball as it moves from A to G.

We discussed such a result in a general way . Here is the point: The ravitational force is a conservative force. Thus, the work done by the gravitational force on a particle moving from an initial point.

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