Neco 2018 Agricultural Science Question 14

Practice objective / multiple choice question 14 from the 2018 Neco Agricultural Science examination.

Neco 2018 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 14 NECO • 2018 • AGRICULTURAL_SCIENCE • objective

A farmer uses a class‑1 lever to lift a 120 kg sack of grain. The fulcrum is placed 0.25 m from the load and 0.75 m from the effort point. (i) What is the minimum effort force required (in newtons) assuming no friction? (ii) If the farmer can apply at most 200 N, what is the maximum load (in kilograms) that can be lifted with this lever?

Answer Options

Correct Answer A. Minimum effort = 392 N; maximum liftable load ≈ 61 kg
B. Minimum effort = 300 N; maximum liftable load ≈ 45 kg
C. Minimum effort = 350 N; maximum liftable load ≈ 55 kg
D. Minimum effort = 480 N; maximum liftable load ≈ 75 kg
Correct Answer
A
Correct Option:
Minimum effort = 392 N; maximum liftable load ≈ 61 kg

About This Question

This is Neco 2018 Agricultural Science Question 14. It is one of the objective questions from the 2018 Neco Agricultural Science examination.

Difficulty level: Medium .

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