No. [kg] [m Revolutions Time of 30 RPS*(n) Computed Measured Difference Revolutions [kg x m/s-] 38.9 0.448 0.176 39.2 38.5 1.30 5.39 N 5.26 N 2.4% 37.4 43.8 2 0.498 0.176 45.0 44.7 1.12 4.41 N 4.34 N 1.2 % 45.2 50.1 3 0.548 0.176 47.9 49.7 0.99 3.43 N 3.73 N 8.0% 51.2 Force Computed = m . g ; g =9.8 m/s2 - Force Measured = Fc (Equation #2)