A tractor of mass 5.40 tonne pulls a 1.40-tonne crate up a hill with a slope angle of 12.0° above the horizontal at a constant speed of 11.0 m/s. (1 tonne is 1000 kg). (a) What acceleration would the tractor have on a level road at that speed? Ignore any frictional losses. (b) Repeat part (a), but now consider that the coefficient of kinetic friction between the crate and the level road is 0.300. Assume that all frictional losses come from the friction between the crate being pulled and the road, and not from the tractor.
A tractor of mass 5.40 tonne pulls a 1.40-tonne crate up a hill with a slope angle of 12.0° above the horizontal at a constant speed of 11.0 m/s. (1 tonne is 1000 kg). (a) What acceleration would the tractor have on a level road at that speed? Ignore any frictional losses. (b) Repeat part (a), but now consider that the coefficient of kinetic friction between the crate and the level road is 0.300. Assume that all frictional losses come from the friction between the crate being pulled and the road, and not from the tractor.
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A tractor of mass 5.40 tonne pulls a 1.40-tonne crate up a hill with a slope angle of 12.0° above the horizontal at a constant speed of 11.0 m/s. (1 tonne is 1000 kg).
(a) What acceleration would the tractor have on a level road at that speed? Ignore any frictional losses.
(b) Repeat part (a), but now consider that the coefficient of kinetic friction between the crate and the level road is 0.300. Assume that all frictional losses come from the friction between the crate being pulled and the road, and not from the tractor.
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