1. Write the qualitative definition of mass.
2. What do you mean by a resultant force?
3. Why do we beat a carpet with a stick to remove dust particles?
4. Why does an athlete run a certain distance before taking a long jump?
5. The water drops sticking to cycle tyres are found to fly off tangentially. why?
6. When force acting on a body has an equal and opposite reaction then why should the body move at all?
7. What is the unit of momentum? What is the total momentum of a bullet and the gun before firing?
8. A force of 10 N gives a mass "m" an acceleration of 5 m^/s² and a mass of "M" an acceleration of 15 m^/s². What acceleration will the same force produce if the two masses are tied together.