Question: Question 2 Determine the first two critical speeds for the shaft shown in figure 1 below. Young's modulus for steel should be taken as 200GN/m2.

Question 2 Determine the first two critical speeds for the shaft shown in figure 1 below. Young's modulus for steel should be taken as 200GN/m2. Show all the calculations and state all your assumptions.

500 N 400 N 150 180 140 Figure 1 Shaft loading diagram 0=40 mm [25]

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