Answer:
d is the answer
Step-by-step explanation:
the differential is a system that transmits an engine's torque to the wheels. The differential takes the power from the engine and splits it, allowing the wheels to spin at different speeds.
just think of a gear facing nothing /\ : ( ‘ | ‘ being the gear )
l
Think of a gear on the right like this:
_
If those 2 touch each other they move ( shown in picture )
Which makes d the answer
D being the answer