Find the efficiency of the mechanism if it has performed a work of 5 kJ when lifting 10 kg of a load upwards by 5 m.

The efficiency is found by the formula Efficiency = E1 / E2 * 100%, where E1 = m * g * h = 10 * 10 * 5 = 500J (g = 10kg / m ^ 2), E2 = 5000J
Efficiency = (500/5000) * 100% = 10%.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.