Question

machines help us to do work. a machine is a device that makes work easier. it does this by changing the direction of the force, changing the amount of force, or changing the distance over which the force is being spread. work is defined mathematically as force times distance. one way machines make work easier is by spreading the effort required to do a job over a greater distance. which is an example of a way that machines make work easier? they spread a small force over a small distance. they increase the time it takes to do a task. they spread a small force over a larger distance.

Explanation:

The text states that machines make work easier by changing force direction, amount, or spreading force over distance. The third option aligns with the text's mention of spreading effort (force) over a greater (larger) distance. The first option uses "small distance" which contradicts the text. The second option about increasing time is not mentioned as a way machines ease work.

Answer:

They spread a small force over a larger distance.