Waec Model Questions Vol1 2017 Physics Question 49
Practice objective / multiple choice question 49 from the 2017 Waec Model Questions Vol1 Physics examination.
A lever is used to lift a load of 200 N with an effort of 50 N. If the distance from the fulcrum to the load is 0.4 m and the distance from the fulcrum to the effort is 1.2 m, calculate the mechanical advantage of the lever. Then, determine the efficiency of the lever if the work input is 60 J.
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About This Question
This is Waec Model Questions Vol1 2017 Physics Question 49. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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