Forces, Law of Motion

• is a push or pull, and force is required to change the motion o

  f an object.

  Force
• Qualities of Force:


  Has magnitude and direction

  Set an object in motion or change the speed and direction. It can also change the shape of an object.
• The combination of all of the forces acting on an object is called the 


  Net force
• FORCE + FORCE = ?


  Net force
• Cite and example of Net force:

  The force you exerted on a magnet in the refrigerator
• To calculate net force..


  You need to take the direction into account
• If the force is a same direction you need to

  Add
• Of the force is opposite direction you need to


  Subtract
• Who invented force?


  Isaac Newton
• What is the unit of force?

  Newton or N