Q110
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
A.
25 N
B.
30 N
C.
35 N
AnswerD.
40 N
Answer: Option C
Solution
Answer: Option C
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