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The efficiency of a pulley system is always less than 100%. State two reasons.
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Aug 18, 2021
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Physics Form 1
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anonymous
The efficiency of a pulley system is always less than 100%. State two reasons.
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Aug 18, 2021
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anonymous
Friction between moving parts of the pulley system / friction.
Weight of the movable part of pulley // work done in lifting the moving parts of pulley system.
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