3(a). Both portions of the rod ABC are made of an aluminum for which E = 60 GPa. Knowing

that the magnitude of P is 3 kN, determine (a) the value of Q so that the deflection at A is

zero, (b) the corresponding deflection at B.

Figure 3

1.5mm diameter

1.0m

FO

50mm diameter

15.m

3(b). The rod ABC of Figure 3 is made of an aluminum for which E= 60 GPa. Knowing that

P=10 kN and Q = 50 kN, determine the deflection of (a) point A, (b) point B.

C/n