... and N should be used to calculate values of I. * Determine the value of R from an average of (3-5) measurements. * Find the value of I from equation (7) where friction is ignored for each of the attached masses, then find the average value of I * Find the value of I from equation (6) where friction is taken into consideration, again for each of the attached masses, then find the average value of I * Calculate the value of I from the characteristics of flywheel (equation (9)) * Compare the 3 values of I. Comments on these results. Which value of I should be closer to the theoretical value? Mass [kg] (with friction) ] (without friction) ] (theoretical) ] =0.4 0.136 0.447 0.0171 =0.6 0.143 0.277 =0.8 0.151 0.243 =1.0 0.160 0.219 =1.1 0.139 0.189 Average 0.146 0.225 m/kg /s /s /s /s =0.4 35.0 37.6 33.9 35.5 =0.6 23.8 20.9 23.8 22.8 12 =0.8 18.6 18.4 18.6 18.5 17 18 =1.0 16.0 16.1 15.0 15.7 30 =1.1 14.3 14.1 13.5 13.9 30 Average n 11.5 11 10.5 Average n = = 11 Average R Diameter/m Radius/m 0.177 0.0855 0.175 0.0890 0.176 0.0880 Average R= =0.0855 m (Without friction) Radius (r) =0.0125 m g =9.81 n= 11 Hence = = = = 0.447 =0.277 =0.243 =0.219 =0.189 (With friction) ...

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