Waec Model Questions Vol1 2021 Agricultural Science Question 16
Practice objective / multiple choice question 16 from the 2021 Waec Model Questions Vol1 Agricultural Science examination.
A tractor of mass 2,500 kg pulls a plough weighing 500 kg up a uniform slope of 5°. The rolling‑resistance coefficient for the combined vehicle is 0.03. The tractor moves at a constant speed of 4 km/h. Assuming no other losses, what is the minimum engine power in kilowatts required to maintain this speed? (Take g = 9.8 m/s² and 1 kW = 1000 W.)
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About This Question
This is Waec Model Questions Vol1 2021 Agricultural Science Question 16. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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