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Directions: Read the questions carefully and choose the letter of the correct answer.

1. Which of the following is not a simple machine?

A. screw B. pulley C. lever D. board

2. Which of the following makes use of the principle of the screw?

A. knife B. faucet C. scissors D. pencil sharpener



3. This consists of an inclined plane wrapped around a pole or a cylinder.

A. friction B. screw C. pulley D. wheel and axle

4. A group of workers will unload the big boxes from a ship. Which will help them make their

work easier?

A. lever B. screw C. wedge D. pulley

5. Which simple machine can be used in raising the flag?

A. rope B. wedge C. pulley D. inclined plane​