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GENERAL APPROACH :
Any motion is relative and, hence, has to be described in a certain frame of reference.
To describe motion means to define a function of
position (coordinate r) versus time t.
The plot of this function is called trajectory
INTRODUCTION TO PHYSICS
SCALARS & VECTORS :
Scalar is a parameter which is characterized by magnitude only.
Notation: a, b, etc.
Scalar operations obey algebra rules: a + b = b + a ; ab = ba
Vector is a parameter
characterized by magnitude and direction.
LAB SESSION 2
THE FORCE TABLE: STATIC EQUILIBRIUM
The purpose of this lab is to gain experience working with vector quantities.
For this lab you will use
an instrument called a
force table. A ring is
placed around a pin in
the center of the fo