Mathematics · Applied Mechanics
In a differential screw jack, the pitch of the outer and inner threads is 12 mm and 7 mm respectively, and the arm length is 700 mm. The effort required to lift a load of 880 kN at 50% efficiency is closest to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 kN
- 22 kN✓
- 34 kN
- 45 kN
Correct answer
2 kN
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