A vector is a quantity that has 2 independent properties:magnitude and direction.
Vectors can be graphically represented by directed line segments.
We can add vectors by joining them head to tail
· free fall is any motion of a body where gravity is the only forceacting upon it. In the context of general relativity, where gravitation is reduced to a space-time curvature, a body in free fall has no force acting on it.
Answer:
True........................
The dispersion of light is the phenomenon of splitting of a beam of white light into its seven constituent colours when passed through a transparent medium. It was discovered by Isaac Newton in 1666.