Statics Explanation: (The theorem of translation of a force gives a relationship between the force and force couple: force force+force couple. @The condition of translation of a force is to add a force couple m, where m is given by m=. @ The theorem of translation of a force is the theoretical basis of the reduction of a force system. 99 ①The theorem of translation of a force gives a relationship between the force and force couple: force force+force couple. ②The condition of translation of a force is to add a force couple m, where m is given by m=F•d. ③The theorem of translation of a force is the theoretical basis of the reduction of a force system. Explanation: