Neco Model Questions Vol1 2018 Agricultural Science Question 24
Practice objective / multiple choice question 24 from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
The hand hoe works as a first‑class lever. The distance from the farmer's hands to the pivot is 1.2 m and the distance from the pivot to the blade edge (the point of soil resistance) is 0.15 m. Assuming an ideal lever with no friction, (a) what minimum effort force must the farmer apply to generate a soil‑penetration force of 300 N at the blade? (b) If the farmer can only apply a maximum effort of 250 N, what is the greatest soil‑penetration force that can be produced?
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About This Question
This is Neco Model Questions Vol1 2018 Agricultural Science Question 24. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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