Neco Model Questions Vol1 2024 Agricultural Science Question 3

Practice practical question 3 from the 2024 Neco Model Questions Vol1 Agricultural Science examination. This question covers Farm Tools, Lever principle, Ergonomics .

Neco Model Questions Vol1 2024 Agricultural Science Practical
Topics: Farm Tools Lever principle Ergonomics
Question 3 NECO_MODEL_QUESTIONS_VOL1 • 2024 • AGRICULTURAL_SCIENCE • practical

A farmer is testing a hand hoe for ergonomic efficiency. The hoe weighs 2.5 kg and its centre of gravity is 0.30 m from the blade tip. The blade length (from tip to the point where the handle is attached) is 0.20 m. The farmer applies a pulling force at the end of a 1.20 m long wooden handle, the force being directed 30° above the horizontal. Using the data provided, answer the following:

Question Parts

( a )
Calculate the magnitude of the pulling force required to lift the hoe.
( b )
The farmer wishes to reduce the required pulling force by 20 % without changing the blade length. Determine the new handle length that will achieve this reduction.
( c )
State two practical precautions the farmer should observe when using the hoe to avoid injury.

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About This Question

This is Neco Model Questions Vol1 2024 Agricultural Science Question 3. It is one of the practical questions from the 2024 Neco Model Questions Vol1 Agricultural Science examination.

The question covers Farm Tools, Lever principle, Ergonomics .

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