2716. A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is_____________? September 7, 2025 by Admin A. 25 N B. 30 N C. 35 N D. 40 N ✅ The correct answer is option C.
