Newton's first law of motion is inertia. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. In other words, inertia is the fact of when an object is put to motion, it will stay in motion. Then a object at rest, tends to stay at rest, that is until another object has force applied to it, and then the object continues in the same direction. A fan blowing a ball off a table would be a demonstration of inertia because the ball wasn't in motion and it wouldn't have gone into motion if the air being blown from the fan hadn't started to go.


  1. Newton's second law of motion pertains to the behavior of objects for which all existing forces are not balanced. The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object.
  2. In other words, the bigger the objects mass is, the more mass is needed to move the object. Acceleration is when an object is put to motion or it changes speed.
  3. A car going straight and then slowing down to turn is a demonstration of acceleration because it changes direction to turn and it changes speed to be able to take the turn.


Every action has a different reaction. This means that when an object has an action to another object, a different object has a different reaction. An example would be a ball hitting another set of balls whic makes the last one move.