Saarland Abitur Technology Practice Questions - Saarland Abitur Technology (Technik) Exam

The ratio of useful output work/energy to the total input work/energy, expressed as a percentage, indicating how much energy is lost to factors like friction A ratio that is always exactly 100% for every real-world mechanical system with no exceptions A term unrelated to mechanical engineering A measure of only the physical weight of a machine, with no connection to energy conversion