instruction:
In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
question:
Question: If Milo adds mass to an object, what will happen to the force of gravity that object generates? 
 Answer: increases
answer:
Objects with greater mass have a stronger force of gravity.


question:
Question: If Mona is building a machine to help her vacuum her floor and she decreases the amount of force the engine inside the vacuum, what happens to the vacuum ability to make work easier? 
 Answer: decreases
answer:
Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied.


question:
Question: Will has a pully with 5 rope segments. Alan's pully has an equal size rope with 7 segments. Which person needs less force to do the same job? 
 Answer: Alan
answer:

The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.