Waec Model Questions Vol1 2023 Agricultural Science Question 22
Practice objective / multiple choice question 22 from the 2023 Waec Model Questions Vol1 Agricultural Science examination.
A hand‑operated winch is used to lift a 200 kg sack of grain. The winch drum has a radius of 0.15 m and the handle length is 0.60 m, acting as a lever. The winch incorporates a gear set that gives a mechanical advantage of 3 (output torque is three times the input torque). Assuming no friction losses, what minimum force must the farmer apply at the end of the handle to lift the sack?
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About This Question
This is Waec Model Questions Vol1 2023 Agricultural Science Question 22. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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