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Vocabulary Word Definition Picture
Newton’s Law of Inertia
An object at rest stays at rest or an object in motion stays in motion until unbalanced forces act upon it. This is often referred to as Newton's First Law of Motion.
Inertia
The tendency of a physical object to remain still or continue moving, unless force is applied.
At Rest
The state of an object when it is not in motion.
Unbalanced Forces
Forces on an object that cause change in the motion of the object.
Laws of Force and Motion – Read pages 49-54
Vocabulary Word Definition Picture
Newton’s Law of Force and
Acceleration
Acceleration of an object depends on the object's mass and magnitude of the force acting upon it (F=ma) is often referred to as Newton's Second Law of Motion.
Force
A push or pull that can change the motion of an object.
Magnitude
The size or quantity of something.
Acceleration
The rate of change in an object's speed.
Laws of Force and Motion – Read pages 49-54
Vocabulary Word Definition Picture
Newton’s Law of Action-Reaction
Newton's law that states that for every action there is an equal and opposite reaction is often referred to as Newton's Third Law of Motion.
Action
The way that something causes a change.
Reaction
Resistance or force of equal magnitude acting in the opposite direction to an action force.
Laws of Force and Motion – Read pages 49-54