Disadvantages of Friction

Q.

People slip when they step on a banana peel. Which of these is a possible reason?

1. Banana peel reduces the friction.

2. Banana peel increases the friction.

3. Banana peel increases the normal force.

4. Banana peel has no effect on friction.

Q. Which of the following will offer the highest fluid friction?

1. Water
2. Oil
3. Molten chocolate
4. Tea

Q.

if a small stone is thrown in one beaker of water and another stone thrown in a beaker of oil simultaneously, which one will reach faster to the base and why

Q.

People slip while walking on a banana peel. Which of these is a possible reason?

1. Banana peel provides less friction

2. Banana peel provides more friction

3. Banana peel provides no friction

4. None of these

Q. Friction opposes relative motion of objects and is never useful.

1. True
2. False

Q. People slip when they step on a banana peel because banana peel reduces the friction.

1. True
2. False