is a nonuniform rod of length 108 cm and mass 675 g. Two weights of 50 g and 350 g are attached to the ends and , respectively, causing the centre of gravity of the system to be at the midpoint of the rod. Determine the distance between the end and the centre of gravity of the rod.
The figure shows a uniform wire of length 10 cm where . Find the coordinates of the center of gravity of the wire with respect to axes and .
A uniform lamina is shaped as a trapezoid, where , , , and . Find the coordinates of the center of gravity of the lamina.