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Science 2

Newtons Law Vocabulary Quiz

Inertia The property of a body by which it remains at rest or continues moving in a straight line unless acted upon by a directional force.
Newton An SI unit of force equivalent to the force that produces an acceleration of one meter per second on a mass of one kilogram.
Reaction An equal but opposite force exerted by a body when a force acts upon it.
Newton’s First Law An object will keep doing whatever it is doing, whether it is sitting still or moving, unless the forces acting on it become unbalanced.
Newton’s Second Law If you place force on an object it will accelerate.
Newton’s Third Law When one object exerts a force on a second object, the second object exerts a force back that is equal, but in the opposite direction.
Balanced Force When the net force of an object IS zero. There is NO change in the motion of the object. The object is either motionless or maintaining a constant speed
Unbalanced Force When the net force of an object is GREATER than zero. There WILL be a change in the motion of the object. A motionless object will begin to move, while an object already moving will change its speed or direction.
Force A push or pull acting on an object.
Friction A force that opposes motion between two surfaces that are touching.
Gravity A force of attraction between two masses.
Magnetic Force Force of attraction or repulsion exerted by a magnet.
Created by: Coco pannell