Assessment Instruction: Read and analyze the question in each number. Choose the letter of the correct answer and write it on your Science notebook. 1. If fixed pulley and movable pulley is combined, what do you call this kind of pulley? a. complex pulley b. compound pulley c. block and tackle pulley 2. A pulley is made up of a. rigid bar b. sharp edge c. wheel and axle 3. What fixed pulley can do to make work easier? a. It allows the effort to be less than the weight of the load b. It can lift objects easier by changing the direction of the effort or force. c. It changes the direction of the force, and at the same time, it gains force. 4. Father was to raise a load of hollow blocks on the third floor of the building. Which machine should father used to raise the load with the least effort? a. ladder b. pulley c. wheelbarrow 5. This is a kind of pulley in which the entire wheel, together with an axle, travels along the rope. a. fixed pulley b. movable pulley c. block and tackle pulley 6. What kind of pulley is used by the man in the picture? a. fixed pulley b. movable pulley c. block and tackle pulley 7. If you were an engineer, what kind of pulley are you going to use in an elevator of a building? a. fixed pulley b. movable pulley c. block and tackle pulley 8. What part of the pulley serves as the mounting bracket that attaches or holds the wheels, so that, it turns as the rope slides. c. wheel 9. Which of the following is the simplest kind of pulley? a. fixed pulley b. movable pulley c. block and tackle pulley 10. Which of the following uses a block and tackle pulley b. b. rope a. axle