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Physics Contact Forc

Forces and Motion Vocab

TermDefinition
Acceleration The rate at which velocity changes
Average Speed Speed = Distance divided by time. s=d/t
constant acceleration velocity changing at a constant rate
Displacement Straight line distance from Start to End Regardless of path. r = √[a² + b²]
Distance an amount of space between two things or people. Measurement of actual space or total movement.
Electromagnetic Force a force associated with charged particles
Force a push or pull exerted by one object on another
Friction a force that opposes the motion of one object moving past another
gravitational force an attractive force that acts between any two objects
Gravity A force of attraction between objects that is due to their masses.
Inertia resists a change in motion of an object
instantaneous speed The rate at which an object is moving at a given moment in time
Law of Conservation of Momentum law stating that the total momentum of a system does not change if no net force acts on the system
linear graph a line graph in which the data points yield a straight line
magnetic force A force produced when magnetic poles interact.
Mass. A measure of the amount of matter in an object
Momentum the force or speed with which something moves. The product of an object's mass and velocity.
Newton SI unit for force
Newton's First Law of Motion an object at rest tends to stay at rest
Newton's Second Law of Motion an object moves in the direction of the force applied F=m/a
Newton's Third Law of Motion For every action there is an equal and opposite reaction Action = Reaction
nonlinear graph a graph in which the displayed data form a curved line
SPEED Distance an object travels in a certain amount of time.
terminal velocity The greatest velocity a falling object can achieve
Vector a quantity that has both magnitude and direction
VELOCITY Speed in a direction
Weight A measure of the force of gravity on an object
Created by: Baldwin Ramsey
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