A cantilever is made of a rectangular hollow section (RHS) as follows: L= 2.0 m, b= 200 mm, d= 50 mm, t= 3 mm, and E= 200 kN/mm2 . It carries a mass of m= 1500 kg at its free end. Calculate the natural frequency of the system.

What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information