Practical work "Mechanics" (Give the difinition of oscillations. Name the clinic sound methods). Practical work "Hydrodynamics" (Name the basic characteristics of flow of the ideal fluid. Describe the falling-ball viscometer)

Practical work 2.

Mechanics

_______________________                                 _______________________

Family Name                                                          First Name

1.  Give the difinition of oscillations.

2.  What is the frequency of oscillation?

3.  What is the period of oscillation?

4.  Write the formula of displacement at simple harmonic motion (SHM).

5.  Write the differential equation for SHM.

6.  In the formula for SHM note: amplitude, phase, and phase constant.

7.  How does potential (and kinetic) energy change at SHM?

8.  Does mechanical energy (E = E (potential)+E (kinetic)) change or not at SHM?

9.  Give the difinition of damped SHM.

10.  Write the formula for displacement of the particles at damped SHM.

11.  Write the formula for logarithmic decrement.

12.  What is forced oscillation?

13.  What is resonance?

14.  Give an example of resonance.

15.  Give the difinition of sound waves.

16.  Describe the physical structure of human ear.

17.  Name the basic intensity thresholds for human ear.

18.  Write the formula for sound level.

19.  Write the unit of sound level.

20.  Name the physical characteristics of sound.

21.  Name the subjective characteristics of sound.

22.  Write the formula for loudness level.

23.  What is the unit of loudness level?

24.  Name the clinic sound methods.

Practical work 3.

Hydrodynamics

_______________________                                 _______________________

Family Name                                                          First Name

1.  Name the basic characteristics of flow of the ideal fluid.

2.  Give the difinition of laminar flow.

3.  What is streamline?

4.  Write the equation of continuity for fluid flow.

5.  Write the Bernoulli’s equation.

6.  Name pressures in Bernoulli’s equation.

7.  Draw the scheme of  horizontal pipe with variable cross-section.

Point to where is pressure bigger (in the wider on in the narrower parts of pipe).

8.  Write the cause of arterial occlusion.

9.  How do the forces of viscous fraction act?

10.  Write the Newton’s equation.

11.  Write the unit of viscosity.

12.  Write the temperature dependence of viscosity.

13.  What is  Newtonian liquid?

14.  What is non-Newtonian liquid?

15.  Give an example of non-Newtonian liquid.

16.  What is turbulent flow?

17.  Where can we observe turbulent flow in the organism?

18.  What is volume flow velocity?

19.  Write Poiseuille’s law.

20.  What is flow resistance? Write the formula for flow resistance.

21.  Describe the rotary viscometer.

22.  Describe the cone-and-plate viscometer.

23.  Describe the capillary viscometer.

24.  Describe the falling-ball viscometer.