Use the table to answer the question.
Machine Output Work (J) Input Work (J)
A 750 1,500
B 1,000 4,000
C 450 600
D 3,000 5,000
Which machine has the highest efficiency?
(1 point)
Responses
machine A
machine A
machine C
machine C
machine B
machine B
machine D
1 answer
Machine C has the highest efficiency because it has an efficiency of 0.75, which is calculated by dividing output work by input work.