Which advantage does a screw have over a nail?
A. A screw is able to reduce the total amount of work needed.
B. A screw can be inserted with less force than a nail.
C. A screw is pushed through a shorter distance.
D. A screw allows the force to be applied in a more convenient direction.
1 answer
D. A screw allows the force to be applied in a more convenient direction.
1 answer