CHAPTER-12 FRICTION (SET-1)

Questions in this test

1. Ball bearing is a device which usually converts?
2. Friction is an example of _______ force.
3. It is difficult to walk on ice because of-
4. Which of the following is a suitable method to decrease friction?
5. Sportsmen use shoes with spikes.
6. Your teacher is able to write on the blackboard because of-
7. Shriya runs her toy’s car on a dry marble floor, wet marble floor, a newspaper and a towel spread on the floor, respectively. The force of friction acting on the car on the different surfaces in increasing order will be
8. On application of brakes, a cycle comes to a stop due to the friction between.
9. Which of the following should be used to reduce friction on a carrom board
10. ‘Friction produces heat’ which of the following is an example of the above statement?