Una caja de 45 kg es tirada 38m a lo largo del piso por una persona que ejerce una fuerza constante de 112n formando un angulo de 42grados con la horizontal y existe una fuerza resistiva de 45n calcule el trabajo efectuado por las fuerzas que actuan sobre la caja y el trabajo neto porfavor ayudenme
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Una caja de 45 kg es tirada 38m a lo largo del piso por una persona que ejerce una fuerza constante...
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