The following image depicts two types of pulleys. The pulley on the left is a single pulley that has no mechanical advantage. The pulley on the right is a compound pulley that has a mechanical advantage added to it because it has two pulleys. Which of the following statements best describes how these two pulleys work?

Question

Both the single and compound police change the direction and distance of the force
Both the single and compound police change the direction of force, but not the distance
Both the single and compound police change the direction of forest, but only the compound pulley changes the distance of the force
Both the single and compound police change the direction of the force, but only the simple pulley changes the distance of the force

Answer 1

Both the single and compound pulleys change the direction of force, but only the compound pulley changes the distance of the force.