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qid 9075 · physics
Question: The drive shaft of an automobile rotates at 3600 rev/min and transmits 80 hp from the engine to the rear wheels. Compute the torque developed by the engine.
- 120 lb·ft
- 105 lb·ft
- 110 lb·ft
- 125 lb·ft
- 130 lb·ft
- 95 lb·ft
- 150 lb·ft
- 117 lb·ft
- 100 lb·ft
- 140 lb·ft
Our answer: H. 117 lb·ft Source quote machine-checked (exact quote)
How it was answered
Multi-step solver (maze), replayed by code
Current source
The Engineering ToolBox, "Torque - Work done and Power Transmitted"
https://www.engineeringtoolbox.com/work-torque-d_1377.html
“A machine rotates with speed 3000 rev/min (rpm) and consumes 5 kW. The torque at the shaft can be calculated by modifying (3) to”
Source quote machine-checked (exact quote)
Earlier version (superseded)
https://en.wikipedia.org/wiki/Torque
Source weak (http_get_200_text_and_question_terms)
Earlier version (superseded)
No public source has been found for this card yet (3 places checked internally).
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