Which statement about simple machines is correct?(1 point)

Question

Responses

Simple machines always increase the distance that force is applied to do work.
Simple machines always increase the distance that force is applied to do work.

Simple machines always reduce the force needed to do move a load.
Simple machines always reduce the force needed to do move a load.

Simple machines do not change the amount of work done.
Simple machines do not change the amount of work done.

Simple machines increase the amount of work done.

Answer 1

The correct statement about simple machines is:

Simple machines do not change the amount of work done.

This is because work is defined as force applied over a distance, and while simple machines can change the direction of force, the total work input equals the total work output, meaning they do not increase the overall work done.