The tune-up specifications of a car call for the spark
plugs to be tightened to a torque of 34 N-m. You
plan to tighten the plugs by pulling on the end of a 20-
cm-long wrench. Because of the cramped space under
the hood, you'll need to pull at an angle of 125° with
respect to the wrench shaft.
With what force must you pull?
Express your answer in newtons.
