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Test vocab

Contains reference point position motions displacement speed velocity vector

QuestionAnswer
reference point A starting point you choose to describe the location
position A object distance from a reference point
motion The process of changing position
displacement The difference between starting point to final point
speed a measure of distance a object travels
velocity The speed and direction of a moving object
vector The quantity that has both magnitude and direction
acceleration a measure in change in velocity during a period of time
force a push or pull on a object
contact force a push or a pull on an object by another object that's touching it
newton 2nd law law that states that the acceleration of an object is equal to the net force exerted on the object divided by by the objects mass
friction a contact force that resist the sliding motion of two surfaces that are touching
free body diagram a simple model to understand what happpen to an object due to a force
net force the combo of all forces acting on an object
newton 1st law an object at rest will stay rest and an object in motion will stay in motion unless a force acts on it
inertia an objects ability to resist any change in motion
noncontact a force that an objects exerts without touching another
gravity an invisible force in all objects with mass
field a region is space with a physical quantity such as a force at every point
weight is the gravitational force exerted on an object
Newtons 3rd law states that an object applies force on another object, the second object applies an equal force to the first
force pairs is the forces that objects apply to each other
normal force is the force that pushes perpendicularly
elastic collision a type of collision where both total kinetic and total momentum are conserved
inelastic collisions a type of force where kinetic energy from colliding objects is not conserved
Created by: user-2020411
 

 



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