The rotor in Figure 9 is supported in bearings A and B as in

The rotor in Figure 9 is supported in bearings A and B as in the diagram. For the configuration shown what is the direction of the angular momentum. The angular momentum is in the direction of y. The angular momentum is in the direction of x. The angular momentum is in the direction of -z. The angular momentum is in the direction of -x. The angular momentum is in the direction of z.

Solution

Option A is correct