7) All of the following are types of simple machines except a_____________.
A. fulcrum
B. pulley
C. lever
D. wedge
8)Which of the following is an example of a wheel and axle?
A. needle
B. door knob
C. ladder
D. scissors
9)Which of the following simple machine is referred to as a double inclined plane?
A. pulley
B. wedge
C. wheel and axle
D. lever
10)Which of the following would you use a pulley for?
A. cut food
B. pull curtains or venetian blinds
C. hold pieces of wood together
D. all of the above
11)Which type of simple machine consists of a rope that passes over a grooved wheel?
A. inclined plane
B. lever
C. pulley
D. wedge
12)The bottom part of a bulb is spiral. Which type of simple machine is it?
A. inclined plane
B. screw
C. wedge
D. wheel and axle
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Verified answer
7. A8. B
9. B
10. B
11. C
12. B