Neco Model Questions Vol1 2020 Agricultural Science Question 3

Practice essay / theory question 3 from the 2020 Neco Model Questions Vol1 Agricultural Science examination. This question covers Farm Tools .

Neco Model Questions Vol1 2020 Agricultural Science Essay / Theory

Topic: Farm Tools

Question 3 NECO_MODEL_QUESTIONS_VOL1 • 2020 • AGRICULTURAL_SCIENCE • essay

Neco Model Questions Vol1 2020 Agricultural Science Question 3 diagram

The diagram shows a simple lever arrangement used to test the mechanical advantage of a hand hoe. The fulcrum is positioned 0.30 m from the point where the farmer applies the effort (the cutting edge of the hoe) and 0.70 m from the point where a load is attached. A weight of 150 N is suspended from the load arm.

Question Parts

( a )

Calculate the mechanical advantage (MA) of the lever.

( b )

Determine the magnitude of the effort force that the farmer must apply to lift the 150 N load.

( c )

If the farmer can apply a maximum effort of 80 N, will the lever lift the load? Justify your answer.

( d )

Discuss two advantages of using a lever‑type hand hoe over a straight‑hand hoe in terms of labour efficiency.

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About This Question

This is Neco Model Questions Vol1 2020 Agricultural Science Question 3. It is one of the essay questions from the 2020 Neco Model Questions Vol1 Agricultural Science examination.

The question covers Farm Tools .

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