Compare the force of gravity and the force of electrical attraction (repulsion).
review the inverse square law regarding gravitational attraction and compare it to the inverse square law of electrical attraction. Outline Coulomb's law and write the formula as force of attraction = proportionality constant x product of charges / distance squared. Define the SI unit of charge as a Coulomb and that it is equal to 6 x10n18 electrons. List k as 9 x 10n9 Nmn2/Cn2 Given the charges and the distance between electrons in hydrogen atoms solve for the electrical force in Newtons. Given the mass of the electrons, solve for the gravitational force and compare both.