Wheel and Axle, Science Question?

Question

As you all know, a screwdriver is a wheel and axle.

And this is one of the basic things that maybe a 5th grader should know. And this is a 5th grader Science Question.

There are two screwdriver.A and B. The wheel of A is bigger than B. Would you rather use screwdriver A or B to remove a nail from a wooden plank?

PS : From my exam!!

Answer 1

as opposed to a wheel on the ground in which a full revolution means a greater distance has been covered by a larger wheel and therefore more work is being done - one revolution of each screwdriver means one revolution of the s***w.

No more work is being done by a screwdriver with a larger "wheel"

It may be easier to grip, however