A block and tackle pulley arrangement has 6 pulleys in which an effort of 50N
PHYSICS
JAMB 2017
A block and tackle pulley arrangement has 6 pulleys in which an effort of 50N supports a load of 200N, calculate the efficiency of the machine
- A. 80.0%
- B. 76.6%
- C. 66.7%
- D. 60.7%
Correct Answer: C. 66.7%
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