Assignment- Conceptual questions Physics-11
Time: 1hour. Marks: 15
All questions are compulsory.
Q1. If friction can provide necessary centripetal force, why should the road be
Q2. Is it possible to open a pen cap with one finger? Why? 
- Why is it easier to balance a bicycle in motion rather than rest? 
- What is the angular velocity of the hour hand of clock? 
Q5. If a string of a rotating stone breaks, in which direction will the stone
Q6. Why the tyres are made of rubber? 
Q7. What is the principle behind the launch of rockets? 
Q8. Is angular displacement a vector? Why?