33. At the playground, which one is an example of a wheel and axle?
A. merry-go-round
B. seesaw
C. slide
D. swing
34. Why is wheel and axle a simple machine?
A. It is simple.
C. It has a wheel.
B. It is a machine.
D. It makes our work easier.
35. Which simple machine would stairs be an example?
A. inclined plane
B. lever
C. pulley
D. wedge
36. What types of simple machine are found in a pair of scissors?
A. wedge, screw
C. Screw, wheel and axle, lever
B. Inclined plane, pulley
D. wedge, lever
37. Which of the following would you use a pulley for?
A. Cut food.
B. Hold pieces of wood together.
C. Pull curtains or venetian blinds
D. none of these
38. All the following are types of simple machine except a
A. fulcrum
B. lever
C. pulley
D. wedge
39.. Which of the following has a sharp edge?
B. seesaw
A. knife
C. spoon
D. stairs
40. What simple machine help people to do their work easier and faster like lifting heavy
object?
B. cup
A. broom
C. pulley
D. spoon

sana po yong tamang sagot ​