Calcular gráfica y analíticamente la resultante del sistema de fuerzas. ¿Qué condiciones debe reunir una fuerza F4 para que haya equilibrio? Datos: F1 = 20 N; F2 = 15 N y F3 = 7 N.

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?

In an experiment, how can i change human errors? be specific.

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above