The circular rod shown (Figure 1) has dimensions d1 = 6 cm , L1 = 6 m , d2 = 4.2 cm , and L2 = 5 m with applied loads F1 = 120 kN and F2 = 60 kN . The modulus of elasticity is E = 85 GPa . Use the following steps to find the deflection at point D. Point B is halfway between points A and C.
1)
What is the reaction force at A? Let a positive reaction force be to the right.
Express your answer with appropriate units to three significant figures.
2)
For the given rod, which segments must, at a minimum, be considered in order to use δ=∑NLAE to calculate the deflection at D?
Check all that apply.
AB
BC
AC
CD
AD
BD
What is the deflection of the end of the rod, D? Let a positive deflection be to the right.
Express your answer with appropriate units to three significant figures.
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