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. Author manuscript; available in PMC: 2021 Sep 3.
Published in final edited form as: Cell Rep Phys Sci. 2021 Jul 28;2(8):100515. doi: 10.1016/j.xcrp.2021.100515

Figure 2. The worm-like chain (WLC) model of polymers explains the entropic origin of the polymer elasticity.

Figure 2.

(A) A schematic of the WLC model of polymers. For simplicity, only planar configuration is considered, but the physics can be easily generalized into 3 dimensions, and the results differ only by numerical factors.

(B) The force-extension relation obtained by numerically inverting Equation 4. Dashed line represents the linear approximation for small strains.