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calculate the efficiency of a four wheeled Pulley system if it is used to lift a load of 500N by using an effort of 300N​

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opudodennis

Answer:

60%

Explanation:

Efficiency is given by the ratio of effort arm to load arm expressed as a percentage. In this case, the effort is given as 300 N while load is 50 N. The efficiency will be [tex]\frac {300}{500}\times 100=60[/tex]

Efficiency= 60%

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