Waec Model Questions Vol1 2021 Agricultural Science Question 3

Practice practical question 3 from the 2021 Waec Model Questions Vol1 Agricultural Science examination. This question covers Farm Tools .

Waec Model Questions Vol1 2021 Agricultural Science Practical

Topic: Farm Tools

Question 3 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • AGRICULTURAL_SCIENCE • practical

A farmer uses a hand hoe that has a wooden handle 1.20 m long and a metal blade whose tip is 0.20 m from the pivot point. When digging, the farmer applies a force of 120 N at the end of the handle and lifts the blade through a vertical distance of 0.30 m each stroke. The farmer makes 20 strokes per minute.

Question Parts

( a )

Calculate the mechanical advantage of the hoe.

( b )

Determine the work done by the blade in one lift.

( c )

Calculate the average power output of the farmer while digging.

( d )

State two safety precautions that should be observed when using the hand hoe.

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About This Question

This is Waec Model Questions Vol1 2021 Agricultural Science Question 3. It is one of the practical questions from the 2021 Waec Model Questions Vol1 Agricultural Science examination.

The question covers Farm Tools .

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