Un bloque de 20 kg se desliza hacia abajo por un plano con un coeficiente de fricción (0,5) que tiene una inclinación de θ = 30. Si el bloque parte del reposo en la parte superior encuentre:fuerza normal(N); fuerza de fricción (fr), componente del peso en x (Px), componente del peso en y (Py) y la aceleración del sistema (a).

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.