37 lbf-in to n-m using 1lbm = 453 grams and 1 in = 2.54 cm b) 100 gram force to newton and lbf c) what is the mass in ibm of an object that weighs 40 lbf at the seaside where g =32.174 ft/s2? d) an object weighing 10 grams is spinning in a centrifuge such that an acceleration of 13.0 g is imposed to it. the arm connecting the shaft to the object is r = 6.0 inches. if a = acceleration = ro- where o = angular speed in rad/s, determine: 1- mass of the object in lbm 2- rpm (revolutions per minute) of the shaft 3- force acting on the object in lbf