Science, asked by ramasuwindia04, 6 months ago

What is the efficiency of a machine in which 250J of energy is used to overcome friction when it does 50J of work?

Answers

Answered by Anonymous

Answer:

Machine Efficiency

The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, efficiency is always less than 100 percent.

Explanation:

Hm.......

Previous Question

Next Question

Similar questions

Science, 3 months ago

how did John reach sivaji's durbar?

Science, 3 months ago

what is streamlined ?

Social Sciences, 3 months ago

Match the following:- The Golden Quadrilateral PLEASE ANSWER THIS QUESTION ...

Physics, 6 months ago

c) Draw a labelled diagram of an optical fibre and show how light propagated through the optical fibre using this phenomenon. (2)...

English, 6 months ago

the of soldiers marched night sky...

Physics, 9 months ago

Which are three nuclear reactors established by homi jehangir bhabha...

Physics, 9 months ago

If C=A+B , then which of the following relations is necessarily valid...

English, 9 months ago

write a letter to an editor regarding a science exibition that your school will organised on the national science day...