Force and Work Unit Test

9 of 129 of 12 Items

Question
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?

machine B

machine C

machine D
machine A

1 answer

Machine C

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