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.

[Q]: Question: Dean is trying to slide a rock down a hill using less input force. The slope of the hill that will be ideal for Dean is one that has a slope that is 
 Answer: gradual
[A]: The more gradual the slope of the inclined plane, the less input force is needed and the greater the mechanical advantage.


[Q]: Question: Tony wanted to prevent cramps by not warming up. This _____ blood flow to his muscles. 
 Answer: decreases
[A]: Warming up exercises increases the blood flow to the muscles and increases the heart rate.


[Q]: Question: Ray was traveling in rocket leaving orbit. He keeps the empty fuel containers on board so the ship can fly 
 Answer: lower
[A]:
By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.