You use an inclined plane to move furniture into a truck. You perform 105 kJ of work, but only do 88 kJ of useful work. What is the efficiency of the inclined plane?

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asked May 13, 2018 67.2k views

5 votes

You use an inclined plane to move furniture into a truck. You perform 105 kJ of work, but only do 88 kJ of useful work. What is the efficiency of the inclined plane?

Physics
high-school

TheWandererLee asked

by TheWandererLee

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2 Answers

5 votes

Answer:

83.8 %

Step-by-step explanation:

Activity answered May 14, 2018

by Activity

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1 vote

efficiency= useful work / consumed energy

88/105= 84%

Iulia Barbu answered May 18, 2018

by Iulia Barbu

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