Without an adjustable screw, A, the 1.5-lb pendulum has a center of gravity at G. If it

Question:

Without an adjustable screw, A, the 1.5-lb pendulum has a center of gravity at G. If it is required that it oscillates with a period of 1 s, determine the distance a from pin O to the screw. The pendulum's radius of gyration about O is k_O = 8.5 in. and the screw has a weight of 0.05 lb.