Valparaíso en Chile: historia, ubicación y más

Things To Do In Valparaiso, Chile - Food, Art And More: 2025 Guide

II The century-old ascensores in Valparaiso, Chile, are small cable cars that go up and down the steep hillsides. As FIGURE P7. 43 shows, one car ascends as the other descends. The cars use a two-cable arrangement to compensate for friction; one cable passing around a large pulley connects the cars, the second is pulled by a small motor. Suppose the mass of both cars (with passengers) is 1500 kg, the coefficient of rolling friction is 0.020, and the cars move at constant speed. What is the tensi