1. What can be done to increase the friction between two objects.
A. Make surface of one object smoother.
B. Put water in between two objects.
C. Decrease the force pressing in the two objects.
D. Increase the force pressing the two objects
2. What is the type of friction that is important to walking?
A. Air friction
B. static friction
C. sliding friction
D. fluid friction
3. Which of the following statement is true
A. Friction makes an object slide.
B. Force is needed to stop an object.
C. Gravity ushes an object upward.
D. An object in motion will remain in motion.
4. You want to comb your hair smoothly, what oil product will you use?
A. Pal oil
B. motor oil
C. baby oil
D. cooking oil
5. The boat sailing on the sea slows down. What kind of friction acting on it?
A. Fluid
B. rolling
C. sliding
D. static
6. Which of the following statements best describe friction?
A. It is a force that occurs between solids.
B. It is a force that occurs only on rough surfaces.
C. It is a force that occurs between solids and liquids.
D. It is a force that occurs when surfaces touch each other.
7. Which shows that friction is undesirable? A. Pushing furniture
B. Lighting a matchstick
C. walking on wet floor
D. using the breaks when approaching a stoplight
8. Matthew's car had engine trouble while going up in an inclined plane. As he repaired the engine, he put rocks at the back wheels to stop the car from moving. What force prevent the car from moving?
A. Friction
B. gravity
C. magnetic
D. weight
9. How can you best reduce friction between the bottom or feet of furniture and the floor?
A. By smoothing the floor
B. By keeping furniture on their place
C. By applying lubricant like wax on the floor
D. By putting wheels or rollers on the bottom or feet of furniture.
10. Which floor has the greatest friction?
A. Polished
B. sandy
C. tiled
D. wet
11. A boy on a grassy slope. What force stops him sliding down?
A. Friction
B. magnetic
C. gravity
D. weight
12. Which of the following is an example of increasing friction?
A. Polishing the floor
B. Squirting oilinto the door hinge
C. Waxing the underneath of ice skates
D. Spreading sand on a wet door.
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Answer:
Answer:1. C2. B3. B4. C5. A6. D7. D8. A9. C10. B11. A12 DExplanation:pa heart and rate nalang or brainliest ty.
Explanation:
:D