The load P produces a downward deflection Δ of point C (Figure P6.11). For small deflectio...

The load P produces a downward deflection Δ of point C (Figure P6.11). For small deflections, P is related to Δ by the relation

P = kΔ

where k is a constant. Assume that the member BC is rigid. Derive a formula for k in terms of L1, L2, d and material properties E and G.

FIGURE P6.11