Ask Question
7 February, 12:38

A ramp is often used to raise an object. If 80 joules of energy are needed to lift an object to a platform but 100 joules are used in rolling the object up the ramp, what is the efficiency of the ramp?

+1
Answers (1)
  1. 7 February, 12:52
    0
    Efficiency = input/output = 80/100j 20 j in friction=20%
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A ramp is often used to raise an object. If 80 joules of energy are needed to lift an object to a platform but 100 joules are used in ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers