Spring Constant Spring-1 TX X2 AX Hanging Force = K = F / AX Work = { m ) { m ) {m ) mass, m (kg mg { N/m ) mg AX (N ) Average K from graph: Spring-2 X1 X2 AX Hanging Force = K = F / AX Work = (m ) {m ) (m ) mass, m (kg mg { N/m ) mg AX {N ) Average K from graph: Spring-3 X1 X2 AX Hanging Force = K = F / AX Work = (m ) {m ) {m ) mass, m (kg mg { N/m ) mg AX [N ) Average K from graph