You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: If the gas is cooled, the particles will move more slowly, because they will have less energy.
 Question: When we get warm we become 
 Choices: A)faster 
B)slower
faster

Paragraph: The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.
 Question: Bob increased the rope segments on his pully; this means he will need to use _____ force on it. 
 Choices: A)more 
B)less
less

Paragraph: As the distance between the objects increases, the force of gravitational attraction decreases.
 Question: Ron pulled two balls away from each other. The balls now experience _____ gravitational force due to each other. 
 Choices: A)more 
B)less

less