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Solution for Give Reason for the Following: the Efficiency of a Movable Pulley is Always Less than 100%. - ICSE Class 10 - Physics

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Question

Give reason for the following:

The efficiency of a movable pulley is always less than 100%.

Solution

This is because of some effort is wasted in overcoming the friction between the strings and the grooves of the pulley.

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Solution Give Reason for the Following: the Efficiency of a Movable Pulley is Always Less than 100%. Concept: Concept of Pulley System.
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