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Force and Motion

Force and Motion Vocab

TermDefinition
Newton's First Law of Motion "Law of Inertia". Objects in motion stay in motion unless acted upon by an unbalanced force. Objects at rest stay at rest unless acted upon by an unbalanced force.
Newton's Second Law of Motion "Law of Acceleration". Acceleration depends on force and mass. MORE MASS-MORE ACCELERATION (f=ma)
Newton's Third Law of Motion "Action-Reaction Law". For every action, there is an equal and opposite reaction. Forces come in pairs.
Momentum Measurement of how difficult it is to stop a moving object. MORE MASS-MORE MOMENTUM, MORE VELOCITY-MORE MOMENTUM
Force A push or pull on something. Examples: friction, gravity, push/pull, magnetism
Net Force Combination of all forces acting upon an object. Will accelerate in direction of net force
Unbalanced Force Forces DO NOT cancel each other out. Acceleration happens in direction of the net force.
Balance Force Forces cancel each other out. NO MOVEMENT. =0N
Inertia Object's resistance to having it's position changed. MORE MASS=MORE INERTIA
Collision Force is transferred between 2 colliding objects
Friction when two surfaces rub against each other. It acts in the opposite direction of motion, slowing things down or making them harder to move
Gravity Force of Attraction between 2 objects with mass. MORE MASS-MORE GRAVITY, CLOSER OBJECTS-MORE GRAVITY
Positive Acceleration Positive number with positive slope on velocity-time graph
Negative Acceleration (Deceleration) Negative number with negative slope on velocity-time graph
Frame of Reference Change of background. How we know if something has moved!
Mass The amount of matter present in something. Measured in grams (g)/kilograms (kg).
Newton Unit of Force (N)
Law of Conservation of Momentum Momentum cannot be lost or gained, only transferred between 2 objects.
Speed How fast something is moving (m/s)
Velocity Describes both speed AND direction of motion.
Weight Influenced by gravity, measured in Newtons (N)
Acceleration Change in velocity's rate measured in (m/s^2)
Matter Anything with mass and volume
Created by: MrsBattleScience
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