Waec Model Questions Vol1 2021 Agricultural Science Question 20
Practice objective / multiple choice question 20 from the 2021 Waec Model Questions Vol1 Agricultural Science examination.
The diagram depicts a fixed pulley system used to lift a 500 N load. Three supporting rope segments share the load. Each segment loses 10 % of the tension because of friction (coefficient 0.1). The farmer pulls the rope at a 20° angle above the horizontal. Determine the minimum effort force (in newtons) the farmer must apply to lift the load, accounting for the tension loss in each supporting segment.
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About This Question
This is Waec Model Questions Vol1 2021 Agricultural Science Question 20. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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