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Solution for Give Two Reasons Why the Efficiency of a Single Movable Pulley System is Not 100% - ICSE Class 10 - Physics

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Question

Give two reasons why the efficiency of a single movable pulley system is not 100%

Solution

The efficiency of a single movable pulley system is not 100% this is because

(i)The friction of the pulley bearing is not zero ,

(ii)The weight of the pulley and string is not zero.

  Is there an error in this question or solution?
Solution Give Two Reasons Why the Efficiency of a Single Movable Pulley System is Not 100% Concept: Concept of Pulley System.
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