Newton's First Law
An object in motion will stay at a constant velocity unless acted upon by an unbalanced force (also known as the Law of Inertia)
The tendency of an object to resist a change in motion, (depends on the objects mass)
Newton's Second Law
Acceleration depends on net force and the objects mass
Formula for Acceleration
Acceleration = Net force/Mass
Unit for Acceleration
Unit for net force
Newton's Third Law
For every action there is an equal and opposite reaction
Unit for Momentum
kg x m/s
Conservation of Momentum
Momentum is always conserved unless acted upon by an outside force
2 Characteristics of force
Depends Direction and Magnitude
(2 characteristics of ____)
Formula for Weight
Mass x Acceleration
Force exerted on a person or object at the surface of the planet
A force that pulls objects toward each other
2 things that effect gravity
Both Mass and distance.
(two things that effect _____)
Combination of all forces acting on an object
Equal forces acting on an object in opposite directions
Whenever a net force is acting on an object
A force that two surfaces exert on each other
A force that acts on objects not moving
A force when objects slide over each other
Force when object rolls across surface
when a solid object moves through liquid
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