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1. A connecting bar BC is inserted into the wrench as illustrated in Figure 1 to increase the fixa ...
1. A connecting bar BC is inserted into the wrench as illustrated in Figure 1 to increase the fixation torque. If a fixation torque of \( 130 \mathrm{Nm} \) is required to induce sufficient preload, while a force of \( 250 \mathrm{~N} \) can be applied by the person, determine the extension \( d \) in order tighten the screw. 2. If a bar with a length of \( 400 \mathrm{~mm} \) is used, determine the required force so that the same fixation torque is applied.