Neco Model Questions Vol1 2018 Agricultural Science Question 13

Practice objective / multiple choice question 13 from the 2018 Neco Model Questions Vol1 Agricultural Science examination.

Neco Model Questions Vol1 2018 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 13 NECO_MODEL_QUESTIONS_VOL1 • 2018 • AGRICULTURAL_SCIENCE • objective

A farmer uses a first‑class lever to lift a sack of grain weighing \(200\) 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.\n\n(a) What minimum effort force (in newtons) must be applied to lift the sack, assuming the lever is ideal?\n(b) If the farmer can only apply a maximum effort of \(400\) N, what is the greatest mass of grain (in kilograms) that can be lifted with this lever?

Answer Options

A. Effort required ≈ 667 N; maximum load ≈ 120 kg
B. Effort required ≈ 5880 N; maximum load ≈ 14 kg
C. Effort required ≈ 650 N; maximum load ≈ 121 kg
Correct Answer D. Effort required ≈ 654 N; maximum load ≈ 122 kg
Correct Answer
D
Correct Option:
Effort required ≈ 654 N; maximum load ≈ 122 kg

About This Question

This is Neco Model Questions Vol1 2018 Agricultural Science Question 13. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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