Question

Match each picture or description with the correct type of simple machine.

Column A
1. A simple machine that consists of a rope that fits into a groove in a wheel.
2. A simple machine that consists of two disks or cylinders, each one with a different radius.
3. Slide
4. Rope
5. Jar lid
6. Door knob
7. The blade of a knife
8. Broom
9. A rigid bar that is free to move around a fixed point called a fulcrum.
10. A slanted surface along which a force moves an object to a different elevation.
11. An inclined plane wrapped around a cylinder.
12. A V-shaped object whose sides are two inclined planes sloped toward each other.

Column B
A. Screw
B. Pulley
C. Lever
D. Wheel and Axle
E. Inclined plane
F. Wedge

Answer 1

1. B. Pulley
2. D. Wheel and Axle
3. E. Inclined plane
4. A. Screw
5. F. Wedge
6. C. Lever
7. F. Wedge
8. C. Lever
9. C. Lever
10. E. Inclined plane
11. A. Screw
12. F. Wedge