Neco 2017 Physics Question 6

Practice essay / theory question 6 from the 2017 Neco Physics examination. This question covers Mechanical Advantage, Efficiency, Pulley Systems .

Neco 2017 Physics Essay / Theory

Topics: Mechanical Advantage Efficiency Pulley Systems

Question 6 NECO • 2017 • PHYSICS • essay

A simple pulley system is used to lift a load weighing 120 N. The arrangement consists of one fixed pulley attached to the ceiling and one movable pulley attached to the load. The rope is pulled vertically upward with a constant effort force of 65 N over a distance of 1.60 m, causing the load to rise vertically through a distance of 0.80 m.

Question Parts

( a )

Determine the ideal mechanical advantage (IMA) of the arrangement.

( b )

Calculate the actual mechanical advantage (AMA) based on the given forces.

( c )

Find the efficiency of the pulley system expressed as a percentage.

( d )

Explain two possible reasons why the efficiency is less than 100 %.

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About This Question

This is Neco 2017 Physics Question 6. It is one of the essay questions from the 2017 Neco Physics examination.

The question covers Mechanical Advantage, Efficiency, Pulley Systems .

View More Neco 2017 Physics Questions More Neco Practice Questions Back to Questions

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