The angular momentum vector for a spinning wheel lies along its axle and is pointed east.To make this vector point south,it is necessary to exert a force on the east end of the axle in which direction?
A)up
B)down
C)north
D)south
E)east

Question

Quizplus · Accepted Answer

Applying a force upward on the east end of the axle will create a torque that changes the direction of the angular momentum vector from east to south.

The Angular Momentum Vector for a Spinning Wheel Lies Along