Un cuerpo de 40 kg de masa se mueve hacia arriba en un plano inclinado de 30º con respecto a la horizontal. sobre el cuerpo actúan las siguientes fuerzas: una fuerza horizontal de 120 n, una fuerza paralela al plano de 200 n favoreciendo el movimiento, una fuerza de fricción de 50 n que se opone al movimiento. el cuerpo se traslada 40 m a lo largo del plano inclinado a velocidad constante. calcular el trabajo de cada fuerza y el trabajo total.

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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heats surface water up

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards

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