n is the first systematic study of the movement of an object that can explain. And prediction of motion of objects, everything in the universe that it will move. How
.First, to study the Newton's law we begin to study the movement most easily before. Is moving in a straight line. The need to understand the physical quantity used in this movement 2 words
1.Scalar quantity is a quantity with the size, don't tell the direction, such as time, mass, length, area, density, heat, etc.
2. Vector quantity. Is the amount that tell the size and direction, such as displacement, speed, acceleration, force, etc.!
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