A 14-Kg Beam Is Hinged at One End

Multiple Choice

A 14-kg beam is hinged at one end. A 6.0-kg triangular object and a 7.5-kg I-shaped object are positioned as shown. Dots indicate the individual centers of gravity of the beam and the two objects. What is the distance from the axis of rotation to the center of gravity for this system?

A) 1.3 m
B) 1.1 m
C) 0.96 m
D) 0.89 m
E) 0.71 m