Motion

1
Motion Forces

• I. Newtons Laws of Motion

If I have seen far, it is because I have stood
on the shoulders of giants. - Sir Isaac Newton
(referring to Galileo)
2
A. Newtons First Law

• Newtons First Law of Motion
• An object at rest will remain at rest and an
  object in motion will continue moving at a
  constant velocity unless acted upon by a net
  force.

3
B. Newtons Second Law

• Newtons Second Law of Motion
• The acceleration of an object is directly
  proportional to the net force acting on it and
  inversely proportional to its mass.

F ma a F/m
4
C. Newtons Third Law

• Newtons Third Law of Motion
• When one object exerts a force on a second
  object, the second object exerts an equal but
  opposite force on the first.