Gce Model Questions Vol1 2024 Agricultural Science Question 25

Practice objective / multiple choice question 25 from the 2024 Gce Model Questions Vol1 Agricultural Science examination.

Gce Model Questions Vol1 2024 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 25 GCE_MODEL_QUESTIONS_VOL1 • 2024 • AGRICULTURAL_SCIENCE • objective

A hand‑operated seed drill requires a pulling force of 120 N to operate at a forward speed of 0.5 m s⁻¹. The farmer attaches a simple pulley system with an ideal mechanical advantage of 4:1, but the system loses 15 % of the input force due to friction. Calculate the actual pulling force the farmer must exert and the power delivered to the seed drill (in watts) after accounting for the friction loss. Compare this power with the original power requirement of the drill.

Answer Options

A. Pulling force ≈ 41.2 N; power to drill ≈ 20 W (original power was 60 W)
B. Pulling force ≈ 35.3 N; power to drill ≈ 12 W (original power was 60 W)
C. Pulling force ≈ 30 N; power to drill ≈ 15 W (original power was 60 W)
Correct Answer D. Pulling force ≈ 35.3 N; power to drill ≈ 15 W (original power was 60 W)
Correct Answer
D
Correct Option:
Pulling force ≈ 35.3 N; power to drill ≈ 15 W (original power was 60 W)

About This Question

This is Gce Model Questions Vol1 2024 Agricultural Science Question 25. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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