Efficiency of a lever is never 100% or more.
(give reasons)
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Ответ:
Explanation:
Efficiency of a lever is never 100% or more because no machine is friction free and due to friction , some of the input energy is wasted in the form of heat energy.
Hope I helped!
Best regards! :D
~TheAnimeGirl
Ответ:
Ответ:
Go solve it by yourself
馬鹿