I don't think the question was so focusing to answer as previous answers (make thing complicated) and also he ask about the material that is decrypted as dielectric or insulator and we know that in our lectures we use them interchangeable.
how gravity make planet to rotate?
If you asked anybody why things rotate;they will answer you if you mean in astronomy the reson is gravity and if you mean at the level of atom the resone is electracal force but that is not what i want .
i want to know how gravity do this and what really it...