19 a massless ridgid rod has balls of mass m 2m 3m 4m and 5m

Last updated: 6/9/2023

19 a massless ridgid rod has balls of mass m 2m 3m 4m and 5m evenly spaced in order of mass along the rod with the ball of mass m at the left end and the ball of mass 5m at the right end if the rod has a length L where is the location of the center of mass A L 3 b L 2 C 3L 5 D 2L 3 E 3L 4 6 A boy of mass 20kg stands on one side of a see saw a distance 2 5m from the pivot point how far from the pivot on the opposite side must his sister who has a mass of 55kg stand for the see saw to be balanced