SI units. Scalars and vectors. The gravitational force – weight. The normal force. The tensions force. Frictional forces. Introduction in thermodinamics. Internal energy. Heat. Temperature and thermometers. Heat capacity and specific heat capacity. State of aggregation. Phase transitions. Ideal and real gas lows. Lows of thermodynamics, heat and work. Thermal processes for an ideal gas. The Carnot cycle. Thermal pumps. Heat transfer: convection and conduction. Vapor and saturated vapor. Humidity. Vapor diffusion in walls. Wetting and drying of walls. Elasticity. Hooke's law. Thermal expansion and thermal stresses. Fluids. Viscosity. Surface tension. Capillarity. Oscillations: harmonic, forced and damped. Waves – wave equation. Sound. Sound intensity. Reflection and absorption of sound. Reverberation time. Standing waves. Acoustic protection and barriers. Geometrical optics. Photometry. Thermal radiation. Black body radiation and Planck's law. Photoelectric effect. Basics in electrostatics. Electrical field and potentials. Capacitance and capacitors. Piezoelectric effect. Direct current. Ohm’s law. Series and parallel wiring. Wheatstone bridge.