PROBLEM # 2:- For the combined pendulum shown on the figure A) Sketch the free body diagram B) Use Newtons' Law, derive the equations of motion C) What is the type of Coupling in the system? Static and elastic coupling 8(1) m k m 62(1) D) If m=1kg and k=1000 N/m, L=2 meter and d= 1 m, Find the natural frequencies and sketch possible modes of vibration