O. A disk of mass M and radius R is on the table as shown in Figure above. N is the normal force. Fa is the gravity force, and F, is the friction force. point of contact of the disk with the table), and Os the point shown in the Figure above. Calculate torques of all forces with respect to points: O, (the center of the disk), O2 (the TN Solution for point o1 fG and N acts aqlong the lone of o1 so TN = TG = 0 Tf = =Ff*R into the page for point o2 Ff acts along the axis so Tf = 0 TN = R*N*sin180 = 0 TG = 0 (ANGLE 0) for point o3 Tf = 0 TG = -Fg*o2o3 o2o3 is the distance of o3 from the bottom of disk TN = No2o3 .