Neco 2023 Physics Question 46
Practice objective / multiple choice question 46 from the 2023 Neco Physics examination.
An ideal block‑and‑tackle system consists of two movable pulleys and one fixed pulley, giving an ideal mechanical advantage of 4. A load of 500 N is lifted, and the supporting rope has a mass per unit length of 0.2 N\,m^{-1} and a total length of 8 m. The system operates with an overall efficiency of 80\,% . What is the minimum input force that must be applied to the rope?
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About This Question
This is Neco 2023 Physics Question 46. It is one of the objective questions from the 2023 Neco Physics examination.
Difficulty level: Medium .
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