The cross sectional area of the members of the truss shown is 500 mm and E = 200 GPa. If no loads act on the truss, what would be the horizontal displacement of joint C if member BC is subjected to an increase in temperature of 20 deg. Celsius? (coefficient of thermal expansion is 11.6x10-/deg.C) IB 1.5 m 5 kN 2 m 10 kN

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Dimensional homogeneity

The term dimensional homogeneity means that in an equation, the dimensions of each term on both sides are equal, which means the dimensions of the left-hand side (LHS) of an equation are similar to the dimensions of the right-hand side (RHS). For a dimensionally homogeneous equation, the powers of fundamental dimensions will be identical on both sides of the equation.