Question

The _____ of the screw determines the mechanical advantage of a screw.

Answer 1

1. Some important terms associated with a screw are threads, lead and pitch.
2. Threads are the windings of screw.
3. The linear distance covered by the screw in one complete turn is called its lead. It determines the mechanical advantage of the screw.

Hence, The lead of the screw determines the mechanical advantage of a screw.