Consider an electric dipole whose dipole moment (a vector pointing from the negitive charge to the positive charge) is oriented at angle θ with respect to the y axis. There is an external electric field of magnitude E (independent of the field produced by the dipole) pointing in the positive y direction. The positive and negative ends of the dipole have charges + q and â q, respectively, and the two charges are a distance d apart. The dipole has a moment of inertia I about its center of mass. It will you to imagine that the dipole is free to rotate about a pivot through its center.
Required:
What is the net force F_net that the dipole experiences due to the electric field?
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