7. Which type of simple machine would be found on the bottom of a wagon., A. A pulley, B. A screw , C.A wedge , D. A wheel and axle , 8. What two parts might make a pulley? A. Wheel and Axle , C. Wheel and Screw, B. Wheel and Wire , D. Wheel and Fuicrum , 9. What type of simple machine is used in loading ships and heavy machinery? , A. Lever , B. Wedge , C. Pulley , D. Wheel and Axle , 10. Which of the following situations shows the use of pulley?, A. Raising the flag, C. Playing the seesaw , B. Locking the door knob , D. Cutting strips of paper