Newton stablished the:

• universal gravitation principles

• electromagnetic theory

• electricity

• photoelectric effect

Maxwell formulated the:

• Electromagnetic therory

• motion laws

• photoelectric effect

• motion of the bodies

Physics is divided into:

• classic and modern physics

• normal and rare physics

• present and past physics

• past and future physics

if you have 40 liters, this physical quantity represents a :

• standard

• magnitude

• unit

• physical quantity

which are the two types of measuring

• direct and indirect

• compare and calculated

• calculated and real

• direct and imaginary

SI is the abbreviation of:

• International system of units

• symbols

• International comitte of weight

• system of magnitudes

We have two types of quantities

• scalar and vector

• scalar and physical

• by number and unit

• by magnitude and direction

The vector is represented by and arrow, the lenght is the representation of _____ and the tip shows us the ______

• magnitude and direction

• lenght and degrees

• the direction and the magnitude

If we have a component in X positive and a component in Y negative, in which quadrant we are:

• I

• II

• III

• IV

Is the separation between the final and the initial position

• distance

• displacement

• speed

• velocity