Rotational motion and thermal physicsLaajuus (3 ECTS)

Objective

The student knows and understands the basic laws of rotational motion and is able to apply these laws in systems concerning her or his own professional field. The student knows the reasons and consequences of elastic behavior of solid materials and basic laws in fluid mechanics and can use this knowledge for designing constructions and machinery. The student knows the basic laws and concepts of thermal physics and also their restrictions and relevance in technology.

Content

1. Kinematics and dynamics of rotational motion.
2. Elastic properties and behavior materials.
3. Fluid statics: pressure, hydrostatic pressure, buoyance. Fluids in motion: basic concepts, Bernoulli’s equation, viscosity.
4. Basic concepts of thermal physics and their applications: temperature and thermometers, thermal expansion, heat, phase changes, ideal gas law, transfer of heat.

Qualifications

Basics of mechanics

Assessment criteria, satisfactory (1)

1. The student knows the basic quantities and equations of rotational motion and she or he can use them in rotational kinematics. The student also knows the significance of the moment of inertia in rotational motion.
2. The student can apply Hooke’s law for tensile stress.
3. The student knows the basic concepts and laws in fluid mechanics and she or he can calculate he hydrostatic pressure.
4. The student is familiar with the most important temperature scales and methods for measuring temperature. She or he can calculate thermal expansion for one dimensional systems. She or he can also calculate heat changes for systems without phase changes. The student knows different ways for heat transfer.

Assessment criteria, good (3)

1. THe student can use rotational laws of motion in simple applications. The student can determine moments of inertia for symmetric bodies and she or he understands the role of rotational kinetic energy in rotational dynamics.
2. The student can apply Hooke’s law for both tensile and shear stress.
3. The student can apply basic laws of fluid statics in simple systems and she or he knows the most important quantities and equations describing fluid in motion.
4. The student can determine thermal expansion of different body shapes and calculate changes in thermal energy in systems having phase changes. She or he is able to use ideal gas equation in simple changes of state and calculate energy changes in different heat transfer processes.

Assessment criteria, excellent (5)

1. The student can apply rotational laws of motion in combined linear and rotational motion. The student can determine the moment of inertia for systems consisting of several symmetric parts and the total kinetic energy of the system.
2. The student can use Hooke’s law in different situations and understands its restrictions and meaning in construction design.
3. The student can use the basic laws of fluid statistics and apply Bernoulli’s equation in simple applications. She or he understands the connection between viscosity and flow resistance.
4. The student can treat the effects of thermal expansion in different materials and constructions. She or he can calculate heat changes and apply ideal gas law in different systems and changes of state. The student is able to evaluate the significance of different heat transfer mechanisms and calculate heat changes related to radiation.