the lug nuts on a car wheel require tightening to a torque of 90 n â m. if a 30-cm long wrench is used, what is the magnitude of the minimum force required using the wrench?

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.