20. A box moves up a slope while being pushed in the direction shown. If there is friction between the box and slope, which of the following is correct? f Push T TO Conserve Energy for box moves up so AU= pos Wext - W push for box & Earth = Push A) The box gets faster as it moves up the slope. B) The box gets slower as it moves up the slope. C) None of the other choices must be correct. D) The box moves at constant speed. E) The box gets faster but not by as much as if there was no friction. F ۰۱۴ TAřl cos Push pos. Михо → Дени - fularl = pos.

20. A box moves up a slope while being pushed in the direction shown. If there is friction between the box and slope, which of the following is correct? f Push T TO Conserve Energy for box moves up so AU= pos Wext - W push for box & Earth = Push A) The box gets faster as it moves up the slope. B) The box gets slower as it moves up the slope. C) None of the other choices must be correct. D) The box moves at constant speed. E) The box gets faster but not by as much as if there was no friction. F ۰۱۴ TAřl cos Push pos. Михо → Дени - fularl = pos.