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 D
machine A
machine B
machine C
1 answer
Machine C, as it has the lowest efficiency at 30%.