What simple machine is used when hoisting/raising a flag?
A. Inclined plane
B. Lever
C. Pulley
D. Screw
24. What simple machine is used to transport luggages through conveyor belt in the airport?
A. Inclined plane
B. Lever
C. Pulley
D. Wheel and axle
25. Which of the following is NOT a simple machine?
A. Gear
B. Pulley
C. Screw
D. String and Bucket
Answers & Comments
Answer:
23. C. Pulley
24. A. Inclined plane
25. D. String and Bucket
Answer:
1.C
2.B
3.i believe C
Explanation:
hope i helped