Question #67e0f

1 Answer
A08
Dec 17, 2016

If there was no friction, there would be no force to slow down objects in motion. Energy transfer would be easier and stopping motion would be more difficult, as no energy would be lost.

As such a machine would have efficiency#=1# or #100%#

Related questions
See all questions in Frictional Forces
Impact of this question
1069 views around the world
You can reuse this answer
Creative Commons License