Respuesta :
They multiply the force, with machines doing one job, they can have human workers doing that job also or working others to, thus multiplying the work done. Larger working force basically. Answer A.
Answer:
A. Multiply the force
Explanation:
Simple machines are used to make our work easier. They either change the direction of force or multiply the force or both. Simple machines are lever, wedge, pulley, screw etc.
Example of how a simple machine multiplies force:
In a lever, effort is put at a longer end which is able to lift a heavier load at the short distance.