Neco Model Questions Vol1 2020 Physics Question 49
Practice objective / multiple choice question 49 from the 2020 Neco Model Questions Vol1 Physics examination.
A class‑2 lever is used to lift a load of \(500\ \text{N}\). The effort arm is \(0.80\ \text{m}\) and the load arm is \(0.20\ \text{m}\). The effort applied by the operator is measured as \(120\ \text{N}\). (i) Calculate the ideal mechanical advantage of the lever. (ii) Determine the actual mechanical advantage. (iii) Find the efficiency of the lever expressed as a percentage.
Answer Options
About This Question
This is Neco Model Questions Vol1 2020 Physics Question 49. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Physics examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.