The resistance arm (RA) will always be longer than the force arm (FA) in what class lever? Naim 08:40 Biomechanics Chapter 13 The resistance arm (RA) will always be longer than the force arm (FA) in what class lever? A. 1st classB. 2nd classC. 3rd classD. none of the aboveAnswer: C. 3rd class Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+