determine φ and d. Use θ = 20o if value will be not reasonable.?
To loosen a frozen valve, a F of magnitude (71) lbs to the handle of the valve. Knowing that θ = (24)0, Mx = -61 lb-ft, and Mz = -43 lb-ft
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Well,
as your question landed in the maths forum,
I will forward it to a more suitable one : physics
Michael