Math Problem Statement
un motor de 45 KW arrolla un cable alrededor de un tambor mientras levanta una carga de 2000 kgf a una altura de 6m en 3 s. determina la eficiencia del motor y cuanto trabajo se realiza contra la fuerza de la friccion
Solution
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Math Problem Analysis
Mathematical Concepts
Physics
Work and Energy
Power and Efficiency
Formulas
Work: W = F × d
Power: P = W / t
Efficiency: η = (Pₑ / Pₜ) × 100%
Friction Work: Wₜ = Pₜ × t, Wₓ = Wₜ - Wₑ
Theorems
Work-Energy Principle
Efficiency Calculation
Suitable Grade Level
Grades 10-12
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