This is a basic simulation showing the force of attraction or repulsion between two charged objects. The charge on each object and the positions of the objects can be changed. The resulting forces are shown by force vectors, and the numerical magnitude is also shown.

This simulation shows you the magnitude and the direction of the force that acts on each of two charged objects due to the other object. Use the sliders or input boxes to change the amount of charge on each of the two objects. Move the charges around and watch how the force vectors change magnitude and direction. The amount of force that acts is shown. Graphs of the force magnitude vs. the distance between the two objects (r) and force magnitude vs. the magnitude of the charge on q1 can be viewed. The grid spacing is 1 m, and the objects will “snap” into place if placed near an intersection on the


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