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Machine | Output (J) | Efficiency (%) TET

A | 750 | 60
B | 1,000 | 40
C | 450 | 30
D | 3,000 | 75

A manufacturer is given the output work and efficiencies of four different machines. Which machine will require the least input work?

machine A
machine B
machine C
machine D

1 answer

Machine A will require the least input work, as it has an efficiency of 60%, which is higher than the efficiencies of machines B, C, and D.
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