SIMPLE MACHINES

Which among these is NOT a type of simple machine?

• A. inclined plane

• B. wheel & axle

• C.bow and arrow

• D.lever

Which among these is an example of wedge?

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What are the types of simple machines?

• A. lever, wedge. screw, slide, pulley, wheel & axle

• B. lever, inclined plane, wedge, screw, pulley, wheel & axle

• C. lever, wheel & axle, screw, slide, wedge, inclined plane

• D. lever, wedge, slide, pulley, screw, inclined plane

Mang Juan is a carpenter. He doesn't use iron nail in fastening of woods, instead he uses this type of simple machine. What is this simple machine does Mang Juan use? Why?

• A. Screw, because it is cheaper than iron nail.

• B. Screw, because it has threads that can fasten the woods more tightly.

• C. Screw, because it can easily applied through the use of hammer.

• D. Screw, because it is bigger than iron nail.

How can you move a heavy bag upstair?

• A. by using an inclined plane

• B. by using a screw

• C. by using wedge

• D. by using a lever