Question

Can you explain your steps and use the energy method? Will upvote

Verizon 3G 5:35 PM e chegg.com one of the blades of an electric fan is removed (as shown by dotted lines Fig). The steel shaft AB, on which the blades are mounted, is equivalent to a uniform shaft of diameter 1 in. and length 6 in. Each blade can be modeled as a uniform slender rod of weight 2 lb and length 12 in. Determine the natural frequency of vibration of the remaining three blades about the y-axis. 6inch

Answer 1

Wle knouo that 丁- て L, X1 = 0.049 in 11-2 ΧΙΟΧο·0491 = 91653.33 N-m 8 From Energy Methad, dE

There Fore, the natural Freguency is given by. uYa x63.33