Selina solutions

Selina solutions

Grade 6

Simple Machines | Short/Long Answer Questions

Question 11

Q11) Can a machine have an efficiency of 100%? Give a reason to support your answer

Solutions:

Efficiency of a machine is always less than 100%. The output energy is always less than the input energy as some energy is lost to overcome friction

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your physics exam ?

Learn from an expert tutor.

Book a free class now
subject-cta

Question 11

Q11) Can a machine have an efficiency of 100%? Give a reason to support your answer

Solutions:

Efficiency of a machine is always less than 100%. The output energy is always less than the input energy as some energy is lost to overcome friction

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your physics exam ?

Learn from an expert tutor.

Book a free class now
subject-cta
linkedin instgram facebook youtube
2020 © Quality Tutorials Pvt Ltd All rights reserved
linkedin instgram facebook youtube