7.a. polished floor b.sandy floor
c.wet floor d. tiled floor

8. you're singing boat in the sea slow down. what kind of friction is acting on it
a. static friction b. rolling friction c. fluid friction d. sliding friction

9.which of the following statements best describe friction a. it is a first that occurs between solid 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 first that occurs when surface touch each other

10.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 lubricants like wax on the floor d. by putting wheels or rollers on the bottom or feet of furniture







answer po please
serious po​