Question

introduction
a floor jack is used to partially lift a vehicle. a relatively - small operating force is converted into a large lifting force. the floor jack transfers this force to the vehicle.
vehicles are heavy, so you should take care when lifting one. incorrect use of the floor jack can cause considerable damage to the vehicle. also, your safety (and that of others) may be put at risk.
2
what is the advantage of a floor jack?
the required operating force is large, but the force generated is small.
required operating force and generated force are equally small.
the required operating force is small, but the force generated is large.
check

Explanation:

The text states that a floor - jack converts a relatively small operating force into a large lifting force.

Answer:

The required operating force is small, but the force generated is large.