a disc like reel on massless thread unrolls itself while falling.the acceleration of its fall is?? Share with your friends Share 0 Ayushi answered this 2*g/3 -2 View Full Answer Ayushi answered this Torque = I × á ( á :- angular acceleration ) T (tension ) × R = l × a / R = 0.5 MR^2 × a / R T = 0.5 M × a Mg - T = Ma Mg = Ma + 0.5 Ma Mg = 3 Ma/2 a = 2g / 3 7
