Newton's Laws of Motion

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  • Created by: Lucy S
  • Created on: 05-04-13 11:56
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  • Newton's Laws of Motion
    • 2. The rate of change of momentum of a body is proportional to the force acting on it.
      • The greater the mass (of the object being accelerated), the greater the amount of force needed (to accelerate the object).
      • Force = mass x acceleration
    • 3. For every action there is an equal and opposite reaction.
      • For every force, there is a reaction force equal in size but opposite in direction.
    • 1. Unless a resultant force acts on an object it will continue to move in a straight line at constant speed or remain at rest. ('Law of Inertia')
      • For an object to speed up/slow down, a resultant force must act on it.
      • For an object to change direction, a resultant force must act on it.
      • If object is stationary, it will remain stationary, unless a resultant force acts on it.
  • 1. Unless a resultant force acts on an object it will continue to move in a straight line at constant speed or remain at rest. ('Law of Inertia')
    • For an object to speed up/slow down, a resultant force must act on it.
    • For an object to change direction, a resultant force must act on it.
    • If object is stationary, it will remain stationary, unless a resultant force acts on it.

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