POST ASSESSMENT (Lesson 2)
Dear learner. Answer now the following questions honestly. Provide extra
sheet for your answer. GOOD LUCK!! Choose the letter of the correct answer.
1. Which has the greatest friction?
a. Polished floor
b. Sandy floor
C. wet floor
d. tiled floor
2. Which of the following statement best describes 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.
3. How can you best describe friction between the bottom or feet of the
furniture and the fioor?
a. By smoothing the floor
b. By keeping furniture on their place
c. By applying lubricants like wax on the floor
d. By putting wheels or rollers on the bottom or feet of the floor
4. Which shows that friction is undesirable?
a. Pushing furniture
b. Lighting a matchstick
c. walking on wet floor
d. using brakes when approaching a stop light
5. A boy sits on a grassy slope. What force stops him from sliding down?
a. Friction
c. gravity
b. Weight
d. magnetic​