Which one of the following actions makes friction an advantage?
APushing a heavy box across the room
BSailing across a river in strong wind
CRunning on a wet floor
DKicking a football while playing
Option c) does not seems to be the only and most reasonable answer
Ans 3:
Class : Class 7
Answer is C because when friction is applied we will not slip if we run so it is an advantage.
Ans 6:
Class : Class 9
We are running on wet floor so it is obvious that we'll slip. Admin from Revisewise pls. explain this answer. Please explain.
Ans 8:
Class : Class 9
Kicking a football while playing is correct. We can't run on wet floor. We will fall down. That's why in school and malls they use boards to alert that the floor is wet and thus no one should run on it.