Neco 2021 Physics Question 4
Practice objective / multiple choice question 4 from the 2021 Neco Physics examination.
A block‑and‑tackle system consists of a fixed pulley and two movable pulleys, giving three rope segments that support the load. The load weight is \(600\ \text{N}\). While lifting the load at constant speed, the measured input force is \(210\ \text{N}\). (a) State the ideal mechanical advantage of the system. (b) Calculate the actual mechanical advantage. (c) Determine the efficiency of the system as a percentage, correct to one decimal place.
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About This Question
This is Neco 2021 Physics Question 4. It is one of the objective questions from the 2021 Neco Physics examination.
Difficulty level: Medium .
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