Which advantage does a screw have over a nail? (1 point)
A. A screw can be inserted with less force than a nail.
B. A screw is pushed through a shorter distance.
C. A screw is able to reduce the total amount of work needed.
D. A screw allows the force to be applied in a more convenient direction.
I chose A.
1 answer
Correct! A screw can be inserted with less force than a nail because it has threads that help it grip and twist into the material, while a nail requires more force to be pounded in.