8. A load is to be rolled up a truck. In which effort distance will you exert the least effort? A. 3 meters C. 7 meters B. 5 meters D. 9 meters 9. Which of these is the relative position of a first-class lever? R C. E R F A. F F R D. E B. E R R 10. Which of these tools is NOT a part of the tool box of a carpenter? C. hammer A. axe D. crosscut saw B. pliers