which of the following systems includes a connecting rod?\na engine mechanical\nb supplemental restraint\nc…

which of the following systems includes a connecting rod?\na engine mechanical\nb supplemental restraint\nc suspension and steering\nd heating and air conditioning
Answer
Brief Explanations:
In an engine mechanical system, a connecting rod is a crucial component that connects the piston to the crank - shaft, converting the linear motion of the piston into rotational motion of the crank - shaft. The other systems listed do not typically include a connecting rod.
Answer:
A. engine mechanical