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Stack #4618496

QuestionAnswer
displacement the difference between the initial or starting position and the final position.
speed a measure of the distance an abject travels in a given amount of time
velocity is the speed and derection of a moving object
vector a quantity that has both mangatude and derection
acceleration a measure of the change in velocity during a period of time.
force is a push or a pull on an object
contact force isa a push or a pull on one object by another object by touching it.
newtons second law states the acceleration of an object equals the net force on the object divided by its mass
fritction is a force that resists the sliding of two surface that are touching
free body diagram is a simple model to under stand systems with objects with anyamount of applied forces.
net force is the sum of all the forces acting on an object
newtons first law states that an object in motion will stay in motion and an object at rest will stay at rest unless acted on by a force.
inertia an objects ability to resists any change in motion
non contact force a force that one object can apply to another object without touching it.
gravity attractive force that exist between all object that has mass.
field a region of space that has a phisycle quantityat every point
weight a gravitational force exerted on an object.
motion the process of changing position .
force pairs the force two objects apply to each other
normal forces the force that pushes perpending to an object surface
elastic collision when two objects collides they bounce off from each other
inalastic collision when two objects collide and stick together
reference point is the starting point you choose to describe the location or position of an object.
position an objects distance and derection from a reference point.
newton third law states that when an object applies a force on another object.
Created by: user-2020963
 

 



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