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 A
machine D
machine B
machine C
1 answer
machine A