For my senior year, the school sprang for a FORTRAN compiler to run on the business office NCR computer. My job was to run the students punch-card decks through the computer during the business office lunch hour. Spent an interim month learning to use FORTRAN as a language usage analysis tool, under tutelage of a Classic Languages professor.
electric forces can be attractive or repulsive, whereas gravitational forces are only attractive.
What is the ratio of electrostatic force and gravitational force of two electrons? What is the difference between gravitational force and electrostatic force? Does there exist any electrostatic force between a proton and neutron?