Numb er of revolu tions N Weight of the hanger with load mg (Newtons) Time of N revolutions t(s) B from the from the Moment of inertia of the Frictional torque graph (slope of graph flywheel (y- the line of intercept) (Nm) the best fit) (kg m) 80 8 00 8 8 8 2 2 2 2 2 2 20.3 secs 0.049 151.38 0.395 0.150 3N 20 secs 0.05 131.58 0.208 0.225 4N 15.5 secs 0.065 131.58 0.196 0.300 5N 13 secs 0.076 131.58 0.159 0.395 6N 12 secs 0.08 191.58 0.191 0.450 7N 11.5 secs 0.087 131.58 0.112 0.523 6 9 6 6 6 2 2 2 2 2 2 2N 19 secs 05035 04.94 0.194 0.130 3N 16 secs 0.063 64.94 0.129 0.225 4N 13 secs 0.076 64.94 0.097 0.300 5N 10 secs 0.100 64.94 0.098 0.375 6N 9 secs 0.111 64.94 0.065 0.450 7N 8 secs 0.13 64.94 0.055 0.525