Derivation of the Ktotal of two springs
| å F = F1 + F2 | Summation of spring’s forces |
| -K1(X2 - X1) + -K2(X4 - X3) | Substitute F = -K(X2 - X1) XT = (X2 - X1) = (X4 - X3) 2 springs are attached to the |
| KT = K1 + K2 | same object; displacmts. Equal |
KT = K1 + K2