Waec Model Questions Vol1 2021 Agricultural Science Question 20

Practice objective / multiple choice question 20 from the 2021 Waec Model Questions Vol1 Agricultural Science examination.

Waec Model Questions Vol1 2021 Agricultural Science Objective / Multiple Choice Medium Difficulty
Question 20 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • AGRICULTURAL_SCIENCE • objective

The diagram depicts a fixed pulley system used to lift a 500 N load. Three supporting rope segments share the load. Each segment loses 10 % of the tension because of friction (coefficient 0.1). The farmer pulls the rope at a 20° angle above the horizontal. Determine the minimum effort force (in newtons) the farmer must apply to lift the load, accounting for the tension loss in each supporting segment.

Answer Options

Correct Answer A. 185 N
B. 170 N
C. 225 N
D. 210 N
Correct Answer
A
Correct Option:
185 N

About This Question

This is Waec Model Questions Vol1 2021 Agricultural Science Question 20. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Agricultural Science examination.

Difficulty level: Medium .

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