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.

Ex Input:
Question: Dan hits a car with his car. Dan was going forty miles an hour, and the other car was stopped. If Dan had hit the car going only twenty miles an hour, the stopped car would be moved
Answer: less

Ex Output:
The harder the batter hits the ball, the greater will be its acceleration.

Ex Input:
Question: An object with a rough surface will have _____ friction than an object with a smooth surface.
Answer: more

Ex Output:
Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.

Ex Input:
Question: Decker pulls some taffy as far as he can. The elastic potential energy of the candy would
Answer: increase

Ex Output:
The farther the object is stretched or compressed, the greater its elastic potential energy is.