Science

Inventions

Isaac Newton

Pulleys

# How does a screw multiply effort?

###### Wiki User

###### 2014-10-07 01:40:49

A screw multiplies effort through the principle of the lever.

The screw part of the fastener is actually a small lever that

allows the screw to bite and dig into other materials.

## Related Questions

###### Asked in Math and Arithmetic, Units of Measure, Length and Distance

### Does the centimeter or the inch exist first?

Inch (and feet, and miles, and pounds) are older units. The
metric system was introduced in an effort at standardization - and
simplification, too, since it is easy to convert, for example, from
km. to meters. Just multiply by 1000.
Inch (and feet, and miles, and pounds) are older units. The metric
system was introduced in an effort at standardization - and
simplification, too, since it is easy to convert, for example, from
km. to meters. Just multiply by 1000.
Inch (and feet, and miles, and pounds) are older units. The metric
system was introduced in an effort at standardization - and
simplification, too, since it is easy to convert, for example, from
km. to meters. Just multiply by 1000.
Inch (and feet, and miles, and pounds) are older units. The metric
system was introduced in an effort at standardization - and
simplification, too, since it is easy to convert, for example, from
km. to meters. Just multiply by 1000.