1. Newton's 3rd law refers to action and reaction forces; the forces always occur in pairs and __________
2. The S.I. unit of heat capacity is __________
3. The statement of the First Law of Thermodynamics can be expressed mathematically as:
4. The three phases of matter are __________
5. To every action, there is an equal and opposite reaction. This is:
6. __________ initiated the study of dynamics.
7. The fractional increase in volume per unit increase in pressure is termed:
8. Two types of volume expansivity in liquids are __________
9. In the determination of specific heat capacity by the method of mixtures, one of these apparatus is used to measure the temperature of the heated object whose specific heat capacity is to be determined.
10. A block of copper is heated to an initial temperature and later placed in 0.2 kg of water at 30°C. When thermal equilibrium is attained, the temperature of the mixture is 35°C. How much heat is absorbed by the water? (Take the specific heat capacity of water as 4200 J/kg·K)
11. A revolver of mass 3kg releases a bullet of mass 2kg at a speed of 60m/s. What is the revolver’s speed of recoil?
12. For a cone in unstable equilibrium, the center of gravity is __________ if displaced by a small force applied on it.
13. __________ is responsible for acceleration in rotational motion.
14. __________ relates hydrostatic pressure to volume strain
15. The rate of change of momentum is: