WEEK 2 ACTIVITY 2
Multiple choices. Read each item carefully. Circle the letter of the best answer.
1.which has the greatest friction?
a. polished floor 6, sandy floor @wet floor d. tiled floor
2. the boat sailing on the sea slows down. What kind of friction is acting on it
a. static friction b. rolling friction c. fluid friction. d. sliding friction
3. 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 surface
c. it is a force that occurs between solids and liquids d. it is a force that occurs when surface touch each other
4. 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
G by applying lubricants like wax on the floor d. by putting wheels or rollers on the bottom or feet of furniture
5. which shows that friction is undesirable?
a. pushing furniture b. lighting a match stick C. walking on wet floors
d. using the breaks when
approaching a stoplight​