The bearings for the continuous shaft of Fig. 1 are all at the same elevation.(a) Find the...

The bearings for the continuous shaft of Fig. 1 are all at the same elevation.

(a) Find the value of reaction R2.

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(b) Suppose the two central bearings in Fig. 1 are resting on springs whose constants are 20,000 lb/in. each. Find the value of R2.

Figure 1