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Figure 28 shows a graph of the dependence of the elongation of a steel wire on the force F, under the action of which the wire is stretched. Specify the limits of the change in force F, at which the dependence of the elongation of the wire on the force F is a direct proportionality.

Figure 28 shows a graph of the dependence of the elongation of a steel wire on the force F under the action of which the wire is stretched Specify the limits of class=


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