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Stack #4619151

QuestionAnswer
displacement is the difference between the initial starting, position and the final position
speed is a measure of the distance an object travels in a given amount of time
velocity is the speed and direction of a moving object
vector is a quantity that has both magnitude and direction
reference point the starting point you choose to describe the location
position an object's distance and direction from a reference point
motion motion is the process of changing positions
friction is a force that resists the sliding motion of two surfaces that are touching.
free-body diagram is a simple model to understand systems of objects with any amount of applied forces
net force is the sum of all the forces acting or an object
newtons first law of motion states that a object in motion will stay in motion, and an object at rest will stay at rest unless acted on by a force
newtons second law of motion the acceleration of an object equals the net force on the object divided by the objects mass
newtons third law of motion when an object applies a force on another object, the second object applies a force of the same strength on the first object
force pair is the forces two objects apply to each other
normal force is the forces that pushes perpendicular to the objects surface
elastic collision if objects collide and stick together
noncontact force is a force that one object can apply to another object without touching it
gravity is an attractive force that exists between all objects that have mass
field is a region of space that has a physical quantity at every point
weight is the gravitational force exerted on an object
Created by: user-2021360
 

 



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