The small spheres are free to move on the inner surface of the rotating spherical chambers with radius R=200mm. If the spheres reach a steady angular position β=45, determine the angular velocity of Ω of the device

A two-stage gear train consists of four gears meshed together (Figure 10). The second and third gears are attached, so that they share the same angular velocity (2=4). Find a formula giving the angular velocity of the fourth gear, 2, in terms of 1 and the values of n1,n2,n3andn4.

Which A winch of radius 2 ft is used to lift heavy loads. If the winch makes 8 revolutions every 15 s, find the speed at which the load is rising.