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18 votes
18 votes
Give any two reasons why da efficiency of any practical machine always lessthan 100%


User Lionel Briand
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1 Answer

19 votes
19 votes

Answer:

The percentage of the work input that becomes work output is the efficiency of a machine. Because there is always some friction, the efficiency of any machine is always less than 100 percent.

Step-by-step explanation:

Read in it in a paragraph-HOPE ITS GOOD INFO

User Draven
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