38. The Grade 6 pupils need to cut materials to make a wooden table as their
project in TLE. Which of the following will they use?
A. Saw
C. can opener
B. small knife
D. wheelbarrow
39. A cargo ship will unload big boxes at the pier. Which of these machines will
the men use?
A. screw..
C. fixed pulley
B. lever
D. block and tacked pulley
40. How is wheel and axle different from other simple machine?
A. It consists of a large wheel and a smaller wheel.
B. It consists of a rope that passes over a grooved wheel.
C. It consists of an inclined plane coiled around a pole.
D. It consists of two inclined plane put back to back to form sharp edge.
41. What will you use to transfer a heavy load to a higher place?
A. lever and wedge
C. inclined plane and pulley
B. screw and wedge
D. screw and wheel and axle
42. A screw is a special kind of simple machine? It is a
A. lever
C. inclined plain
B. wedge
D. wheel and axle​