Problem 7.18 Part A Consider (Figure 1) If Luis pulls straight down on the end of a wrench that is tilted 0 = 30" above the horizontal and is r = 31 cm long, what force must he apply to exert a torque of -13 N . m ? Express your answer with the appropriate units. HA F = 0.454 N Submit Previous Answers Request Answer X Incorrect; Try Again Provide Feedback Next > Figure Alt+Q* Luis's pull Axis of rotation