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5.6. Energy of System. Conservation of energy… 60
5.7. Aplication of conservation laws to collisions of bodies………..61
5.8. Alternative energy………………………………………………….65
5.8. Questions …………………………………………………………69

5.9. Problems…………………………………………………………..70
6. Dynamics of rotational motion of a ribody………………………70
6.1 Kinetic energy of rotational motion of a rigid body. Moment

of inertia of a rigid body.
71 6.2. Calculation of moments of inertia……………………………..
6.3.Work and power in rotational motion………………………… 77
6.4. The main law of dynamic of rotational motion .………………..79

6.5. Angular momentum. Conservation of angular
momentum……………………………………………………………..80
6.6. Free Axes of Rotation. Principal axes of inertia.

Tensor of inertia……………………………………………………….83
6.7. Gyroscope……………………………………………………… 85
6.8. Questions …………………………………………………………90

6.9. Problems………………………………………………………….91
7. Fluid dynamics …………………………………………………...92
7.1. Ideal fluid . Streamline. Flow tube……………………………. 92

7.2. The equation of continuity……………………………………… 93
7.3. Bernoulli's equation………………………………………………94
7.4. Applications of Bernoulli's equation……………………………..96
7.5Viscosity……………………………………………………………99

7.6. Poiseuille's law………………………………………………….100
7.7. Stokes law……………………………………………………….102
7.8 Reynolds number……………………………………………… 103

7.9 Questions…………………………………………………………104
7.10 Problems………………………………………………………...105
8. Mechanical Properties of Solid Bodies………………………… 106
8.1 Deformations of lengthening…………………………………….106

8.2 Poisson's ratio…………………………………………………….109
8.3 Shearing deformation…………………………………………….109
8.4 Bending deformation…………………………………………….110

8.5 Torsion deformation……………………………………………..111
8.6 Questions…………………………………………………………112
8.7 Problems ………………………………………………………..112

9. Appendix………………………………………………………….113
10. Bibliography……………………………………………………

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