Question

the vex iq motors are designed to accept a ________ which can be run thru a gear or wheel. o - ring program shaft rod cable

Explanation:

Motors are connected to gears or wheels via a shaft - rod which can transmit rotational motion. An o - ring is a seal, a program controls the motor's operation but isn't physically run through a gear or wheel, and a cable is for electrical connection, not for direct mechanical connection to gears or wheels.

Answer:

C. shaft rod