Physics
Physics, 26.02.2021 20:40, Morghan7153

Una fuerza P de 2.9 lb se aplica a una palanca que controla la ba­rrena de una barredora de nieve. Determine el valor de a si el momento de P respecto a A es en sentido contrario al de las manecillas del reloj y tiene

una magnitud de 17 lb • in.

La respuesta es: 49.9 o 59.4 grados.

Necesito el procedimiento.


Una fuerza P de 2.9 lb se aplica a una palanca que controla la ba­rrena de una barredora de nieve.

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Una fuerza P de 2.9 lb se aplica a una palanca que controla la ba­rrena de una barredora de nieve. D...

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