Neco 2018 Agricultural Science Question 28

Practice objective / multiple choice question 28 from the 2018 Neco Agricultural Science examination.

Neco 2018 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 28 NECO • 2018 • AGRICULTURAL_SCIENCE • objective

A farmer uses a first‑class lever to lift a sack of grain weighing \(150\)\,kg. The distance from the fulcrum to the load is \(0.4\)\,m and the distance from the fulcrum to the effort point is \(1.2\)\,m. Assuming an ideal, frictionless lever, (a) calculate the minimum effort force required, and (b) compute the work done by the farmer if the sack is raised vertically by \(0.5\)\,m.

Answer Options

Correct Answer A. 490 N; 735 J
B. 420 N; 600 J
C. 490 N; 600 J
D. 560 N; 840 J
Correct Answer
A
Correct Option:
490 N; 735 J

About This Question

This is Neco 2018 Agricultural Science Question 28. It is one of the objective questions from the 2018 Neco Agricultural Science examination.

Difficulty level: Medium .

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