Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: If the amount of force of that is applied is increased, it is easier happens to the work that a machine is producing.
[EX A]: If the amount of force of that is applied is increased, what happens to the work that a machine is producing?

[EX Q]: The pupil is the name of the black opening in the eye that lets light enter.
[EX A]: What is the name of the black opening in the eye that lets light enter?

[EX Q]: Frequency factor is used to convert concentrations to collisions per second.
[EX A]:
What is used to convert concentrations to collisions per second?