You're making a valid point in a not-so-nice way. What he meant was F=ma combined with other formulas that make use of F, make up a system that's surprisingly

You're making a valid point in a not-so-nice way. What he meant was F=ma combined with other formulas that make use of F, make up a system that's surprisingly useful while remaining simple to use. I imagine you already knew that. If you're acting as an editor, you can phrase your point better. if you're merely nitpicking for things to 'gotcha' someone - I assure you that's not a smart longterm strategy :)